HOMEWORK_PACK_yr5_AW 10/10/07 12:53 Page 1 Homework Pack 5 Homework Pack 5 Written by teachers for teachers to support the renewed Primary Framework, Collins New Primary Maths is a whole-school numeracy programme that builds and develops all the key skills needed to be successful in mathematics. Homework activities allow practice of the objectives covered in the daily lessons. Linked to the daily lesson plans An average of one activity every two weeks Differentiated activities Target individual learning needs with activities structured at three levels Clear instructions Support children beyond the classroom with clear and stimulating activities ISBN 978-0-00-722042-7 Browse the complete Collins Education catalogue at www.collinseducation.com 9 780007 220427 5 5 Peter Clarke Series Editor [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 1 Homework Pack 5 Series Editor: Peter Clarke Authors: Jeanette Mumford, Sandra Roberts, Andrew Edmondson [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 2 William Collins’ dream of knowledge for all began with the publication of his first book in 1819. A self-educated mill worker, he not only enriched millions of lives, but also founded a flourishing publishing house. Today, staying true to this spirit, Collins books are packed with inspiration, innovation and practical expertise. They place you at the centre of a world of possibility and give you exactly what you need to explore it. Collins. Freedom to teach. Published by Collins An imprint of HarperCollinsPublishers 77 – 85 Fulham Palace Road Hammersmith London W6 8JB Browse the complete Collins catalogue at www.collinseducation.com © HarperCollinsPublishers Limited 2008 10 9 8 7 6 5 4 3 2 1 ISBN-978-0-00-722042-7 The Authors assert their moral rights to be identified as the authors of this work Any educational institution that has purchased one copy of this publication may make unlimited duplicate copies for use exclusively within that institution. Permission does not extend to reproduction, storage within a retrieval system, or transmittal in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, of duplicate copies for loaning, renting or selling to any other institution without the permission of the Publisher. British Library Cataloguing in Publication Data A Catalogue record for this publication is available from the British Library Cover design by Laing&Carroll Cover artwork by Jonatronix Ltd Internal design by Steve Evans and Mark Walker Design Illustrations by Steve Evans and Mark Walker Edited and proofread by Jean Rustean Printed and bound by Martins, the Printers, Berwick-upon-Tweed [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 3 Contents Unit A1 HCM 1 Decimals in order Understand decimal notation for tenths HCM 2 Use efficient written methods to add whole numbers HCM 3 8 Reviewing multiplication facts Know by heart multiplication facts up to 10 x 10 HCM 4 7 Adding up in the air 9 Snake game Multiply and divide whole numbers by 10 and 100 10 Unit B1 HCM 5 Add 'em up! Use efficient methods to add whole numbers HCM 6 Shopping decimals Use an efficient written method to add decimals HCM 7 14 Open cubes Visualise 3-D solids from 2-D drawings and identify nets for an open cube HCM 10 13 Multiples and common multiples Recognise multiples to the 10th multiple and recognise common multiples HCM 9 12 Facts remainder Recall multiplication facts up to 10 x 10 and derive quickly the related division facts HCM 8 11 15 Dazzling diagonals Recognise and explain patterns and relationships in 2-D shapes 16 Unit C1 HCM 11 Milk run Measure and draw lines to the nearest millimetre HCM 12 Mixed salad Collect, organise and present data HCM 13 18 Addresses Construct pictograms, bar and bar line charts HCM 14 17 19 Bat bar line charts Use graphs to explain answers to questions 20 Unit D1 HCM 15 Spot the pairs Multiply and divide by 10, 100 or 1000 and understand the effect HCM 16 Chessboard perimeters Understand, measure and calculate perimeters of rectangles and regular polygons HCM 17 22 TV times Read the time on a 24-hour digital clock and use 24-hour clock notation HCM 18 21 23 My birthday Use a calendar to work out birthdays 24 3 [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 4 Contents Unit E1 HCM 19 Wall fractions Use diagrams to identify equivalent fractions HCM 20 Tea time fractions Find fractions using division HCM 21 28 Multiplication methods Multiply a pair of two-digit numbers HCM 24 27 50 and 25 noughts and crosses Use known facts and halving to multiply by 50 and 25 HCM 23 26 Using factors to multiply and divide Use factors to multiply and divide HCM 22 25 29 Calculating clothes costs Develop calculator skills and use a calculator effectively 30 Unit A2 HCM 25 Decimal games Partition and order decimals HCM 26 In the playground Use all four operations to solve word problems HCM 27 32 Decimal doubles and halves Double and halve decimals HCM 28 31 33 Using the calculator Develop calculator skills and use a calculator effectively 34 Unit B2 HCM 29 Find the missing numbers Use knowledge of place value and addition and subtraction to derive sums and differences HCM 30 Represent a problem by identifying and recording the calculations HCM 31 38 New shapes from old Test whether a general statement is true by investigating examples HCM 34 37 Look out for 25s Recognise and extend number sequences HCM 33 36 Finding multiples Know if a number is a multile of 2, 3, 4, 5, 6 or 10 HCM 32 35 Park problems 39 Folding triangles Classify triangles (isosceles, equilateral, scalene) using criteria such as equal sides, equal angles 40 Unit C2 HCM 35 Choosing chocolates Use, read and write standard metric units of mass HCM 36 Chess tournament Collect and organise data to answer a question HCM 37 43 Weather forecast Describe how likely an event is to happen. Collect and organise data to find out about a subject 4 42 Travelling temperature Present data using a line graph HCM 38 41 44 [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 5 Contents Unit D2 HCM 39 The column method and decimals Use efficient written methods to add and subtract whole numbers and decimals with up to two places HCM 40 Reviewing multiplication Use efficient written methods to multiply HTU x U,TU x TU and U.t x U HCM 41 46 Plotting shapes Read and plot co-ordinates in the first quadrant HCM 42 45 47 Packaging weights Choose and use appropriate number operations to solve problems 48 Unit E2 HCM 43 Decimal 1 pairs Use knowledge of addition HCM 44 Relate fractions to their decimal equivalents HCM 45 52 Helpful doubles Use doubling to multiply by 12, 14, 16 and 18 HCM 48 51 Find the fraction Find fractions using division of numbers and quantities HCM 47 50 Get the proportion Solve problems involving proportions of quantities HCM 46 49 Fraction and decimal dominoes 53 Holiday money Make simple conversions of pounds to foreign currency 54 Unit A3 HCM 49 Decimal pathways Order decimal numbers with up to two places HCM 50 Decimal 10 pairs Use knowledge of addition HCM 51 56 Multiplication and division facts Know by heart multiplication and division facts HCM 52 55 57 Recording division Refine and use efficient written methods to divide HTU ÷ U 58 Unit B3 HCM 53 Sum choice Use efficient written methods to subtract decimals HCM 54 Learn your facts! Use knowledge of place value and addition and subtraction HCM 55 62 Flexing rectangles Solve mathematical problems or puzzles HCM 58 61 Multiplication and division Use known facts and place value to multiply and divide mentally HCM 57 60 Remainders Express a quotient as a fraction when dividing whole numbers HCM 56 59 63 Nets made with equilateral triangles Draw nets of 3-D shapes 64 5 [1129]_CNPM_HCM_5_[01-06] 5/11/07 17:34 Page 6 Contents Unit C3 HCM 59 Everday estimating Suggest suitable units and measuring equipment to estimate or measure capacity HCM 60 Time lines Use graphs to answer questions HCM 61 66 Cycling distance time-graphs Use time-distance graphs to answer questions HCM 62 65 67 Coining it Collect and organise data to answer a question 68 Unit D3 HCM 63 Sports costs Use a calculator to solve problems HCM 64 Solve word problems HCM 65 70 Finding the square units Use the formula 'length x breadth' for the area of a rectangle HCM 66 69 Problem solving 71 Four-square designs Complete symmetrical patterns with two lines of symmetry at right angles 72 Unit E3 HCM 67 Percentages Understand percentage as the number of parts in every 100 HCM 68 Four in a row Understand percentage as the number of parts in every 100 HCM 69 77 Number sequences Explain a generalised relationship in words 6 76 Reviewing written multiplication and division Use efficient written methods to multiply and divide HTU x U,TU x TU, U.t x U and HTU ÷ U HCM 72 75 How many? Solve problems involving proportions of quantities HCM 71 74 Temperatures around the world Solve one-step and two-step problems involving whole numbers and decimals, choosing and using appropriate calculation strategies HCM 70 73 78 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 7 Y5 A1 L3 HCM 1 Name _________________________Date ____________ Decimals in order • Understand decimal notation for tenths 1 Use these digits to make six decimal numbers. 3 2 · · · · · , · , , · · , , · , Use these digits to make six decimal numbers. 4 2 · Put your numbers in order from smallest to largest. · 1 5 7 · 9 1 8 · · · · · · Put your numbers in order from smallest to largest. Write down a number that comes between each pair of decimals. · · · · · · · · · · · Explain what decimals are.Write your explanation on the back of this sheet. © HarperCollinsPublishers Ltd 2008 7 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 8 Y5 A1 L4 HCM 2 Name _________________________Date ____________ Adding up in the air • Use efficient written methods to add whole numbers Write these calulations out vertically and then work out the answer. The first two have been written out for you. a 462 + 253 = b 285 + 164 = c 327 + 245 = f 318 + 273 = 285 + 164 462 + 253 d 352 + 366 = e 568 + 128 = 1 Write five three-digit numbers between 100 and 999. 2 Use these numbers to make up and work out six addition calculations.Write the calculations on the back of this sheet. Your friend has forgotten how to add using the written method.Write down, on the back of this sheet, what you would say to explain it to them. 8 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 9 Y5 A1 L7 HCM 3 Name _________________________Date ____________ Reviewing multiplication facts • Know by heart multiplication facts up to 10 x 10 Multiply each number on the left by the number shown. Match each number on the left to the correct product. ×3 a ×9 b ×4 c 3• • 9 1• • 18 1• • 12 7• • 27 9• • 45 3• • 32 9• • 12 8• • 63 6• • 20 1• • 18 2• • 27 8• • 4 6• • 3 7• • 81 5• • 28 8• • 21 5• • 54 9• • 16 4• • 6 3• • 9 7• • 36 2• • 15 6• • 72 4• • 24 5• • 24 4• • 36 2• • 8 Complete these number targets. b a 54 9 8 10 3 ×6 5 6 c 56 16 24 72 7 70 8 ×8 0 ×7 4 7 6 49 4 9 21 4 0 48 How do the multiplication facts up to 10 × 10 help you recall the answers to division facts? Write your explanation on the back of this sheet. © HarperCollinsPublishers Ltd 2008 9 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 10 Y5 A1 L9 HCM 4 Name _________________________Date ____________ Snake game • Multiply and divide whole numbers by 10 and 100. A game for one or two players. How to play: You need: Each player chooses a single-digit starting number. G paper, pencil Write this number on your piece of paper. and counter Take it in turns to roll the dice and move your counter. for each player Carry out the operation you have landed on using your starting number. G 1–6 dice The answer is your new number. If you cannot do the operation, then your number does not change. The winner is the player with the highest number at the finish. ● ● ● ● ST AR T ● ● ● ×10 –10 +10 ×10 ÷10 +10 –10 ÷10 ÷10 +10 –10 –10 +10 ×10 ÷10 +10 ÷10 ×10 –10 ÷10 ×10 –10 ×10 +10 –10 ×10 +10 ×10 ÷10 +10 –10 ÷10 ×10 ÷10 +10 –10 ×100 re! nt to stop he You may wa +100 ×10 ÷10 +100 –100 ÷100 ×100 ÷10 ÷100 ×10 ÷10 ×100 –100 +100 ÷10 ×10 ÷100 +100 –100 ×100 ÷100 ×10 –100 ×100 ÷10 ×10 ÷100 FINISH 10 –100 +100 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 11 Name _________________________Date ____________ Y5 B1 L1 HCM 5 Add ‘em up! • Use efficient methods to add whole numbers 853 + 726 469 + 254 58 + 21 199 + 652 527 + 122 521 + 375 323 + 442 375 + 384 64 + 26 842 + 357 Look at the calculations. Choose two to add mentally, and two to add using the written method. Look at the calculations. Choose four to add up mentally, and six to add up using the written method. Ask someone at home if they know why the written method works. Listen carefully and see if you think their explanation is clear. © HarperCollinsPublishers Ltd 2008 11 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 12 Y5 B1 L3 HCM 6 Name _________________________Date ____________ Shopping decimals • Use an efficient written method to add decimals Ten customers each buy 2 items.Work out what each customer might have spent. £5.34 £8.31 £7.92 £6.48 £3.70 1 2 3 4 5 6 7 8 9 10 Ten customers each buy 2 items.Work out what each person might have spent. £67.21 £91.46 £45.06 £38.57 £57.69 1 2 3 4 5 6 7 8 9 10 Make up two word problems using the items in the of this sheet. 12 activity.Write them on the back © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 13 Y5 B1 L6 HCM 7 Name _________________________Date ____________ Facts reminder • Recall multiplication facts up to 10 x 10 and derive quickly the related division facts a Fill in the missing number in each triangle so that each number relates to the other. b Write a multiplication and division fact for each. a b 9 3 36 c d 7 64 4 9 8 6 e 8 3×6= ÷3=6 45 f 5 g h 36 9 6 7 i j 48 49 12 8 Write down the calculation, then work out the answer. a 7 multiplied by 6 f what divided by 7 equals 4? b the product of 5 and 9 g the quotient of 36 and 6 c 3 times more than 4 h the product of 8 and 3 d share 27 between 3 i the factors of 21 e 34 divided by 4 gives remainder of j the quotient of 60 and 5 On the back of this sheet, write 10 other multiplication or division facts I know that 6 x 7 = 42. that are related to 6 x 7 = 42. I used this to work out that 60 x 7 = 420. © HarperCollinsPublishers Ltd 2008 13 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 14 Y5 B1 L10 HCM 8 Name _________________________Date ____________ Multiples and common multiples • Recognise multiples to the 10th multiple and recognise common multiples Write the first 10 multiples of each of the numbers below. Multiples of 9 Multiples of 6 Multiples of 8 Multiples of 7 Look at the numbers you have written above. a Find the common multiples of 9 and 7 b Find the common multiples of 6 and 8 c Find the common multiples of 6 and 9 d Find the common multiples of 7 and 8 e Find the common multiples of 7 and 6 f Find the common multiples of 9 and 8 Find all the two-digit common multiples of: 14 a 2, 3 and 4 b 2, 3 and 5 c 2, 8 and 10 d 3, 4 and 5 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 15 Y5 B1 L13 HCM 9 Name _________________________Date ____________ Open cubes 3-D solids from 2-D drawings and identify • Visualise nets for an open cube 1 You need: G scissors To make your open cube: ● fold 1 inside 2 inside 3 ● fold 7 inside 1 ● put 8 on the base ● fold 4 inside 5 inside 6 ● fold 9 inside 4 ● put 10 on the base ✃ Repeat, as above for the small net. ✃ 2 Large net. Carefully cut out the large net. Cut along the dashed lines ( ). Fold the dotted lines ( ). 8 7 1 8 2 3 7 base 1 2 3 4 base 4 6 5 6 5 9 9 10 © HarperCollinsPublishers Ltd 2008 10 15 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 16 Y5 B1 L14 HCM 10 Name _________________________Date ____________ Dazzling diagonals • 1 2 Recognise and explain patterns and relationships in 2-D shapes For each hexagon, draw straight lines to join the vertex marked by the black dot to the three non-adjacent vertices. You need: G ruler G red pencil Check each diagram for triangles with just two equal sides. Colour these triangles red. 12 1 Use straight lines to join the points 1 to 2, 2 to 3, 3 to 4 and so on. 2 Count the number of sides the shape has. 3 Draw all the diagonals, joining nonadjacent vertices with straight lines. 4 1 11 10 2 9 3 Count the number of diagonals at each vertex. 8 What if there were 15 points on the circumference of the circle? 16 4 7 5 6 a Predict the number of diagonals at each vertex. b Use the other side of the sheet to test your prediction. © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:38 Page 17 Y5 C1 L2 HCM 11 Name _________________________Date ____________ Milk run • Measure and draw lines to the nearest millimetre This map shows the roads connecting 3 farms and a dairy. Measure each line to the nearest millimetre and complete the table. Connecting roads You need: G ruler Distance on map mm cm Dairy D A to B B to C C to D D to A A to C Cherrytree Farm C A B 1 Beechwood Farm Find the shortest route which takes the milk tanker from the dairy to each farm once and back to the dairy without travelling the same road twice. Dairy 2 Ashgrove Farm → Farm → Farm → Farm → Dairy On the map 1 cm represents 1 km. Find the shortest distance in kilometres that the tanker driver takes when collecting milk from all 3 farms and returning to the dairy. Dairy + km + © HarperCollinsPublishers Ltd 2008 km + km + km = km 17 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 18 Y5 C1 L4 HCM 12 Name _________________________Date ____________ Mixed salad • Collect, organise and present data This tally chart shows the foods people chose for their salads at Zoe’s party. 1 2 Salad Food Lettuce Tomato Egg Celery Spring onion Tally Total 11 You need: G 1 cm squared paper G ruler Count the tally marks and write the totals. Use the information presented in the table above to answer these questions: a How many people chose tomato salad? b How many people chose egg or celery? c How many more people chose spring onion than tomato? d What is the least popular salad food? e How many salads were made altogether for Zoe’s party? 1 Complete the pictogram. Party Salad Foods Number Lettuce stands for 2 salads. Using 1 cm square paper, copy and complete the bar chart. Lettuce Type of salad The table shows the foods people chose for their salads at a wedding. Salad Food Lettuce Tomato Egg Celery Spring onion 18 Total 32 15 26 17 21 1 2 Use the information in the table above to draw a bar chart on 1 cm squared paper. Write a sentence comparing salad foods at the party and wedding. You need: G 1 cm squared paper © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 19 Y5 C1 L7 HCM 13 Name _________________________Date ____________ Addresses • Construct pictograms, bar and bar line charts The table shows the lines of address on 70 letters. G 1 cm squared Letters 6 2 9 16 23 14 Address lines on letters 24 22 Copy and complete the bar line chart. s paper sp Address lines 0 1 2 3 4 5 You need: 20 18 16 G 1 cm squared paper 14 Letters You need: 12 10 G ruler 8 6 4 1 What is the mode? 2 2 How many letters have addresses longer than 3 lines? 0 3 Draw a pictogram for the data. 4 Which diagram was quickest to draw? 5 Which diagram is easiest to read? 0 1 2 3 Address lines 4 5 You need: 1 Count the words in 50 addresses in the telephone book. Record the data using a tally chart. 2 Use a bar line chart to show the data. G telephone directory G 1 cm squared paper G ruler © HarperCollinsPublishers Ltd 2008 19 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 20 Y5 C1 L8 HCM 14 Name _________________________Date ____________ Bat bar line charts • Use graphs to explain answers to questions Bat nests are called roosts. The bar line chart shows the bats in roosts in 2007. Bats Roosts Copy and complete 0 the table. 1 Bat roosts in 2006 50 40 30 2 3 4 5 6 1 The table shows the bats in roosts in 2008. Complete the bar line chart. Bats 0 1 2 3 4 5 6 20 10 0 Roosts 3 8 42 27 21 15 6 1 2 3 4 5 Number of bats 6 Bat roosts in 2007 50 40 30 20 10 0 2 0 0 1 2 3 4 5 Number of bats Now answer these questions. 6 a How many roosts had 4 bats in 2006? b How many roosts were empty in 2007? c How many roosts had less than 3 bats in 2006? d What was the most common (mode) roost size in 2007? e What is the mode for 2006? f How many bat roosts were there altogether in 2006? g Were there more or less bat roosts in 2007? Combine the data for 2007 and 2008 into a single table. Draw a bar line chart on graph paper. 20 How many more or less? You need: G graph paper G ruler © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 21 Name _________________________Date ____________ Y5 D1 L1 HCM 15 Spot the pairs Multiply and divide by 10, 100 or 1000 and understand • the effect Find 5 pairs of numbers that have been multiplied or divided by 10.Write them as 5 division calculations and 5 multiplication calculations. 1 2840 6 41 280 6400 5070 381 41 × 10 = 410 2 640 3 4 284 410 5 1260 28 6 126 507 7 3810 8 37 9 700 60 70 370 10 Example Find 5 pairs of numbers that have been multiplied or divided by 100.Write them as 5 division calculations and 5 multiplication calculations. 800 15 28 86 6133 512 83 400 126 800 8600 2800 613 300 71 400 80 000 ÷100 = 800 2 3 5 6 7 8 51 200 21 900 1 4 714 219 80 000 Example 834 1500 9 1268 10 Look at your answers for the activity. Divide each of these answers by 100. Write your answers on the back of this sheet. © HarperCollinsPublishers Ltd 2008 21 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 22 Y5 D1 L6 HCM 16 Name _________________________Date ____________ Chessboard perimeters Understand, measure and calculate perimeters of • rectangles and regular polygons This chessboard is square. Each side measures 40 cm. Find and record these measurements. a length of side of chessboard cm. b perimeter of chessboard cm. c length of side of one small square cm. d perimeter of one small square cm. These squares grow from the bottom left-hand corner of the chessboard. 1 Continue this pattern further. 2 Complete this table. Number of squares Length of side in cm Perimeter in cm 3 1 5 20 4 9 16 25 36 49 64 Look at your last answer in the table and your answer to question b. Explain why this is. The perimeter of one small square on a chessboard is 12 cm.What is the perimeter in cm of the chessboard? 22 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 23 Y5 D1 L7 HCM 17 Name _________________________Date ____________ TV times Read the time on a 24-hour digital clock and use 24• hour clock notation 1 Convert these 24-hour digital clock times to 12-hour clock times, adding a.m. or p.m. 2 24-hour clock 07:15 15:33 12-hour clock 7:15 a.m. 10:42 22:10 12:50 Convert the 12-hour clock times to 24-hour digital clock times. 12-hour clock 9:35a.m. 11:27a.m. 4:40p.m. 5:55a.m. 11:06p.m. 24-hour clock 1 You have a 3-hour video tape. Look up this evening’s TV guide. Choose 5 programmes you wish to video. Write the channel and the start and finish times you will enter into the video recorder. Programme Channel You need: G a TV guide Start time Finish time Duration Example Neighbours 5 17:35 18:00 25 min 1 2 3 4 5 2 Calculate the length of each programme and record in the “Duration” column. 3 Work out how many minutes are still left in your video tape. Answer: mins. How many episodes of ‘Neighbours’ can you record on a 4 hour DVD disc? © HarperCollinsPublishers Ltd 2008 23 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 24 Y5 D1 L9 HCM 18 Name _________________________Date ____________ My birthday • Use a calendar to work out birthdays This is how David worked out the day of the week on which his younger brother was born. Remember to count the extra day in February when it is a leap year. Copy and complete your details here. Steps 1 Date of birth. 22nd June 1998 ____________________ 2 Is the year a leap year? No ____________________ 3 173 Number of days from 1st January to 22nd June Jan Feb Mar Apr May Jun 31 + 28 + 31 + 30 + 31 + 22 = 173 ____________________ 4 Subtract 1 from year, divide by 4. Ignore any remainder. 1998 – 1 = 1997 1997 ÷ 4 = 499 ____________________ ____________________ 5 Add together: 173 1998 + 499 2670 ____________________ ____________________ ____________________ ____________________ 6 Divide 2670 by 7 Remainder 7 Use the table of remainders: Fri Sat Sun Mon Tue Wed Thu 0 1 2 3 4 5 6 (Remainder of 3 = M) number of days year of birth answer to step 4 total 2670 ÷ 7 = 381 r 3 ____________________ 3 ____________________ Monday 8 Day of birth Monday 22 June 1998 ____________________ Ask someone in your family for their date of birth. Using the back of this sheet, find out the day of the week on which they were born. 24 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 25 Name _________________________Date ____________ Y5 E1 L1 HCM 19 Wall fractions • Use diagrams to identify equivalent fractions These walls have been built with each row of bricks divided into different fractions. 1 On this wall find the rows where you can shade a half. Label the fractions you shade. Put a cross in the box if you can’t shade a half. halves 1 2 2 On this wall find the rows where you can shade a quarter. Label the fractions you shade. Put a cross in the box if you can’t shade a quarter. thirds fifths quarters sixths fifths sevenths sixths eighths 1 On this wall find the rows where you can shade a third. Label the fractions you shade. Put a cross in the box if you can’t shade a third. halves thirds 1 4 quarters 2 On this wall find the rows where you can shade a fifth. Label the fractions you shade. Put a cross in the box if you can’t shade a fifth. halves 1 3 thirds quarters quarters fifths fifths sixths sixths sevenths sevenths eighths eighths ninths ninths tenths tenths 1 5 Explain how to find equivalent fractions.Write your explanation on the back of this sheet. © HarperCollinsPublishers Ltd 2008 25 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 26 Name _________________________Date ____________ Y5 E1 L3 HCM 20 Tea time fractions • Find fractions using division Imagine one friend is coming to tea, so there will be two of you altogether. Imagine three of your friends are coming to tea, so there will be four of you altogether. Look in the cupboards in your kitchen and choose some foods to divide between you and your friends.Write down what the food is, the division calculation and the amount each person would get. Example 240 g ÷ 2 = 120 g Beanz Everyone gets 120 g 240g Everyone gets 60 g 240 g ÷ 4 = 60 g Look at the foods you shared between you and your friends. More people have arrived to make 7 people altogether. How much would each person get now? You may have to round some of your answers to the nearest whole number. Show your working and answers on the back of this sheet. 26 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 27 Y5 E1 L8 HCM 21 Name _________________________Date ____________ Using factors to multiply and divide • Use factors to multiply and divide Find the factors of these numbers. a Use factors to help you work out answers to these. a 5 × 12 = 5 × 2 × 6 2 14 = 10 × 6 = 60 28 b b 24 × 3 = = = 36 c 15 × 4 = c = = d 14 × 7 = 16 d = = 24 Use factors to help you work out the answers to these. = 60 ÷ 3 c 216 ÷ 9 = a 60 ÷ 12 = = 20 ÷ 4 = = b 120 ÷ 15 = = © HarperCollinsPublishers Ltd 2008 d 296 ÷ 8 = = 27 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 28 Y5 E1 L9 HCM 22 Name _________________________Date ____________ 50 and 25 noughts and crosses • Use known facts and halving to multiply by 50 and 25 You need: 10 counters (5 of one colour, 5 of another) Instructions (For 2 players) ● Each player has a set of 5 counters. ● Choose one number from the buttons on the machine. ● Multiply the number by 50 (Game 1) or by 25 (Game 2). ● If your answer is on the grid, place one of your counters on that square. ● The winner is the first person to get 3 in a row. Remember the quick way! Game 1 13 46 35 21 26 15 24 38 25 37 28 27 750 1350 1750 1400 1900 650 1200 2300 1850 900 850 575 425 650 1050 700 1175 1250 Game 2 23 14 17 48 36 26 34 47 19 16 42 28 How does multiplying a number by 100 and halving, help to multiply a number by 50 or 25? Write your explanations on the back of this sheet. 28 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 29 Y5 E1 L11 HCM 23 Name _________________________Date ____________ Multiplication methods • Multiply a pair of two-digit numbers Approximate the answer to each calculation. a 19 × 38 20 × 40 = 800 e 48 × 56 b 27 × 33 f 28 × 63 c 44 × 38 g 24 × 43 d 39 × 55 h 34 × 72 For each of the calculations above, use the grid method to work out the answer. a c 19 × 38 × 10 30 8 b × 9 + × + d × + + e × f × + g × + h + × + Choose four of the calculations (a-h) and check your answers using a different expanded written method. Show all your working on the back of this sheet. © HarperCollinsPublishers Ltd 2008 29 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 30 Y5 E1 L14 HCM 24 Name _________________________Date ____________ Calculating clothes costs • Develop calculator skills and use a calculator effectively Use your calculator to work out these. 1 a £3.28 + £2.56 = b £1.85 + £2.14 = c £9.99 + £7.24 = d £6.42 + £8.67 = 2 a £9.31 – £4.85 = b £3.09 – £1.36 = c £5.87 – £3.99 = 3 a 3 × £1.85 = b 2 × £65.16 = c 9 × £3.39 = Skirt £12.72 1 2 Tie £3.88 Calculate the cost of: a A tie and coat d Four ties 3 Gloves £4.80 b A skirt and gloves e Two coats Scarf £5.72 c A scarf and tie f Gloves, a coat and a skirt Calculate the difference in price between: b Gloves and a tie c A skirt and a scarf Find the change from a £10 note when you buy: a A tie 1 G calculator Coat £23.99 a A skirt and a coat Find the total cost for this clothes bill: b A scarf Trousers £14.23 Dress £16.30 Shirt £8.00 Tie Jumper £4.05 £9.99 Total: 30 You need: c Gloves 2 Calculate the cost of one pair of socks: 3 pairs of socks £2.94 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 31 Name _________________________Date ____________ Y6 A2 L1 HCM 25 Decimal games • Partition and order decimals You can play in pairs or on your own. First, cut out the cards and shuffle them. ● Put all the cards in order from smallest to largest. You need: ● ● Place the cards face down on the table. G scissors Turn over two cards. If they total 10, keep them. If not, put them back in the same place. ● If you are playing on your own, continue until you have all the pairs. If you are playing with a partner, take turns to choose cards until they are all taken. The player with the most pairs is the winner. ✃ 0·2 9·8 5·5 4·5 7·3 2·7 3·6 6·4 1·3 8·7 6·1 3·9 0·5 9·5 5·1 4·9 Explain, on the back of this sheet, how you can use your addition facts for 10 to help you pair the cards. © HarperCollinsPublishers Ltd 2008 31 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 32 Y6 A2 L4 HCM 26 Name _________________________Date ____________ In the playground • Use all four operations to solve word problems 1 84 children have brought skipping ropes to school today and 37 have brought balls. How many toys altogether in the playground? 2 There are 274 infants and 359 juniors in the playground. How many children altogether? 3 There are 276 girls at school today. 138 of them are in the hall eating their dinner. How many are out in the playground? 4 There are 138 girls eating their dinner and 247 children altogether in the dinner hall. How many boys are there? 1 377 children came out to play. The infants go in early as they are going on a trip. There are 186 children left in the playground. How many infants came out to play? 2 451 children brought their coats to school today. 183 infants are wearing their coats and 204 juniors are wearing theirs. How many coats are left in the cloakrooms? 3 There are 409 children out in the playground. 56 are playing football, 178 are running around playing chase and 103 are skipping. How many are doing something else? Working Working 753 children are out in the playground. One third of them are eating fruit, one third of them are queuing for dinner. How many are left? What fraction of the children is this? 32 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 33 Y5 A2 L6 HCM 27 Name _________________________Date ____________ Decimal doubles and halves • Double and halve decimals Double each decimal going into the machine to get a new number. a 1·3 b 0·80 c 1·2 2·7 0·24 3·5 4·2 ×2 2·5 1·6 Halve each of the decimals in this sheet. © HarperCollinsPublishers Ltd 2008 0·39 0·14 0·28 ×2 4·7 ×2 5·6 3·4 a, b and c.Write your answers on the back of 33 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 34 Y5 A2 L10 HCM 28 Name _________________________Date ____________ Using the calculator • Develop calculator skills and use a calculator effectively 1 Work out these calculations using the calculator. a 537 + 69 = b 94 + 287 = c 821 + 75 = d 165 + 74 = e 354 + 94 = f 597 − 61 = g 382 − 107 = h 377 − 128 = i 257 − 98 = j 308 − 81 = k 42 × 3 = l 36 × 4 = m 19 × 7 = n 61 × 3 = o 47 × 4 = p 96 ÷ 8 = q 91 ÷ 7 = r 108 ÷ 6 = s 161 ÷ 7 = t 153 ÷ 9 = You need: G calculator 2 Look at the answers you have just written in question 1.Which of these calculations could you have done in your head? Draw a star ( ) beside these calculations. ★ 1 Work out these calculations using a calculator a 256 + 6741 = b 6423 – 645 = c 625 x 3 = d 47 x 50 = e 2004 – 1999 = f 532 + 137 = g 6532 + 4869 = h 356 x 84 = i 264 ÷ 4 = j 642 ÷ 7 = 2 Look at the answers you have just written in question 1.Which of these ) beside these calculations could you have done in your head? Draw a star ( calculations. ★ 34 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 35 Y5 B2 L2 HCM 29 Name _________________________Date ____________ Find the missing numbers Use knowledge of place value and addition and • subtraction to derive sums and differences Fill in the missing numbers in the calculations. Show all your workings. a 96 + = 133 b d 67 + = 115 e 87 – g – 32 = 65 a 83 + 34 + = 143 + 46 = 130 c – 38 = 56 = 35 f 96 + = 180 h – 29 = 58 i 66 + = 154 b + 36 + 48 = 136 c 74 + + 37 = 173 f 163 – – 25 = 46 i 37 + + 78 = 161 d + 61 + 97 = 176 e 85 + 56 + g – 63 – 29 = 75 h = 183 – 99 – 107 = 35 Look at questions b and g in the activity and explain how you worked them out. Write your explanation on the back of this sheet. © HarperCollinsPublishers Ltd 2008 35 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 36 Name _________________________Date ____________ Y5 B2 L4 HCM 30 Park problems Represent a problem by identifying and recording • the calculations 1 In a week, 1265 children played on the swings and 2873 on the slide. How many children used them altogether? 2 One family spent £6.15 on ice creams and another spent £4.26. How much was spent by the two families? 3 The length of one path is 6·23 km, and the other is 3·48 km.What is the total length of the paths? 4 One boy had £4.38. He lost £1.85. How much does he have left? 1 Two joggers came into the park. One jogged 6·84 km and the other 8·36 km.What is the total distance jogged? 2 On Sunday, the ice-cream seller took £37.94 in the morning and £48.73 in the afternoon. How much did he take that day? 3 On a sunny day 2682 adults, 3727 children and 1375 dogs visit the park. How many visitors are there altogether? Working out The answer on my calculator is 5.68. On the back of this sheet, write two possible problems with this as the answer. 36 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 37 Name _________________________Date ____________ Y5 B2 L9 HCM 31 Finding multiples • Know if a number is a multiple of 2, 3, 4, 5, 6 or 10 A game for 2 players. You need: On the back of this sheet quickly draw the following score sheet. G paper clip (each) Player 1 Player 2 1 2 3 4 5 6 7 8 9 10 G pencil (each) ● ● Take turns to spin the spinner twice. Make a two-digit number and record it on your score sheet. ● See if you have made a multiple of 2, 4, 5 or 10. ● Score 1 point if your number is a multiple of 2 or 5. Score 2 points if your number is a multiple of 4 or 10. ● Have 10 goes each.The player with the most points is the winner. ● ● ● ● ● Take turns to spin the spinner three times. Make a three-digit number and record it on your score sheet. See if you have made a multiple of 2, 4, 5 or 10. Score 1 point if your number is a multiple of 2 or 5. Score 2 points if your number is a multiple of 4 or 10. Have 10 goes each.The player with the most points is the winner. © HarperCollinsPublishers Ltd 2008 ● ● ● ● ● Take turns to spin the spinner three times. Make a three-digit number and record it on your score sheet. See if you have made a multiple of 2, 3, 4, 5, 6 or 10. Score 1 point if your number is a multiple of 2 or 5. Score 2 points if your number is a multiple of 3, 4 or 10 and 3 points if it is a multiple of 6. Have 10 goes each.The player with the most points is the winner. 37 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 38 Y5 B2 L10 HCM 32 Name _________________________Date ____________ Look out for 25s • Recognise and extend number sequences Colour the numbers that are multiples of 25. You need: G coloured pencil For each number line, write the number indicated by the boxes. a b c Write the multiple of 25 that is: 38 a before 1000 f 50 more than − 950 b 75 more than − 425 g 25 more than − 650 c after 725 h 50 less than − 325 d 100 more than −1000 i 75 less than 725 e 25 less than − 500 j 100 less than − 475 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 39 Y5 B2 L11 HCM 33 Name _________________________Date ____________ New shapes from old whether a general statement is true by • Test investigating examples Statement: You can make these 5 different shapes by combining 4 of the triangles edge to edge. square rectangle parallelogram trapezium right-angled triangle You need: G scissors G square dot grid paper G ruler 1 Test whether the general statement is true or false. Rule a Cut out 4 identical right-angled isosceles triangles from the bottom of this sheet. Triangles must be placed with equal sides touching edge to edge. b Using the rule, try to make each of the 5 shapes. 2 Is the general statement true or false? 1 Use all 8 right-angled isosceles triangles to make the 5 shapes. 2 Investigate how many different shapes you can make using 4 of the triangles. Draw the shapes on square dot grid paper. © HarperCollinsPublishers Ltd 2008 39 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 40 Y5 B2 L12 HCM 34 Name _________________________Date ____________ Folding triangles Classify triangles (isosceles, equilateral, scalene) using • criteria such as equal sides, equal angles 1 2 Cut out the triangles at the bottom of the sheet. Write the name of each triangle inside the shape. You need: Investigate by folding only, and write which triangle has: G scissors a 3 sides equal in length b 2 equal sides c no 2 sides equal d 1 line of symmetry e 3 lines of symmetry f no lines of symmetry g all angles equal in size h all angles different in size i 2 equal angles Complete this table. Triangle Number of Number of equal sides equal angles Number of lines of symmetry isoceles equilateral scalene ✃ ✃ ✃ 40 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 41 Y5 C2 L2 HCM 35 Name _________________________Date ____________ Choosing chocolates • Use, read and write standard metric units of mass HARD CENTRES SOFT CENTRES PLAIN 10 g 15 g 20 g 15 g 20 g 25 g 10 g 20 g 25 g 10 g 15 g 25 g MILK 1 2 Select and draw chocolates from each of the trays to fill your chocolate box. Work out the total weight in grams of your selection. Total weight 1 Make a selection of 8 chocolates which will weigh 150 g. You must have at least one chocolate from each tray. Write the weight of each chocolate in the grid below. 2 Work out the total weight of 8 chocolates you can select for: a the lightest box b the heaviest box © HarperCollinsPublishers Ltd 2008 41 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 42 Y5 C2 L5 HCM 36 Name _________________________Date ____________ Chess tournament • Collect and organise data to answer a question 20 junior and 20 senior chess players took part in a tournament. Each player played 5 games.The tables show how many games each player won. Games won Junior Players Junior Players 1 3 2 Senior Senior Players Players 3 3 4 Games won 11 41 55 43 33 53 44 13 2 3 3 3 2 00 34 44 44 2 3 4 22 45 55 31 Complete this table by combining the information above for the junior and senior players. 33 23 33 54 Games won 44 22 5 5 4 2 2 33 22 4 4 3 3 5 Tally Total 0 1 1 Use the information in the table above to complete the bar line chart. Letters 33 23 22 33 2 3 16 4 14 5 12 2 What is the mode? What does this mean? 10 8 6 3 How many players won less than 3 games? 4 2 0 0 1 2 3 4 What do you think is the most common number of goals scored by a professional football team? Make a prediction. Investigate by recording football results. You will need to decide: – how many matches to record – how to record the results – which diagrams to draw – how to decide if your prediction was correct. 42 You need: G sports section from a newspaper G 1 cm squared paper G ruler © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 43 Y5 C2 L8 HCM 37 Name _________________________Date ____________ Travelling temperature • Present data using a line graph The table shows the temperature inside a railway carriage on a journey. 1 Complete the bar line chart. 2 Mark the top of each bar line using a cross. 3 Join the crosses to make a line graph. Railway Carriage Temperature 21 Temp (ºC) 20 20 20 16 19 20 21 21 20 19 18 You need: 17 G 1 cm square 1.10 1pm 12.50 12.40 12.30 12.20 paper G ruler 12.10 16 15 12.00 Temperature (ºC) 22 Time 12.00 12.10 12.20 12.30 12.40 12.50 1.00 1.10 Time The table shows the temperatures inside a car on a journey. Copy and complete the line graph. a What was the lowest temperature in the car? b When was the car warmest? c When was the car heater switched on? d The car stopped at a petrol station.When was this? e Estimate the temperature at 9.15am. f Did the temperature change between 9:30am and 9:40am? Can you be sure? © HarperCollinsPublishers Ltd 2008 Time 9.00am 9.10 9.20 9.30 9.40 9.50 10.00 10.10 10.20 10.30 Temp (ºC) 16 16 22 22 22 18 21 22 23 22 43 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 44 Y5 C2 L10 HCM 38 Name _________________________Date ____________ Weather forecast how likely an event is to happen •• Describe Collect and organise data to find out about a subject Describe the chance of each event happening. Use the words on the right. 1 It will rain or stay dry tomorrow. 2 There will be thunder and a lightning strike tomorrow. 3 Next Sunday it will rain without a cloud in the sky. certain poor chance impossible high risk unlikely good chance 4 During the next month it will rain. low risk probable 5 You will need to wear a jumper tomorrow. improbable likely no chance 1 Ask 20 friends and family the following questions. How many sunny days do you expect next week (0 to 7)? You need: G squared paper Describe the chance of it raining on three days of next G ruler week. Choose from impossible, unlikely, likely or certain. 2 Record the data using tally charts on the back of this sheet. 3 Draw a diagram to show your results. 4 Write at least two sentences describing what you found out. 1 On the back of this sheet make up a dice game for you You need: and another player. Write the rules down so that you have a slightly greater G 1-6 dice chance of winning. 2 Play the game with different people and record the results. Did you win more games than you lost? 44 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 45 Name _________________________Date ____________ Y5 D2 L1 HCM 39 The column method and decimals Use efficient written methods to add and subtract • whole numbers and decimals with up to two places Practise using the column method with whole numbers and decimals.Write each calculation out vertically and then work out the answer. 1 342 + 236 2 421 + 397 1 63·87 + 52·61 2 82·54 + 35·39 3 628 + 735 4 673 – 352 3 59·38 + 94·53 4 73·92 – 51·64 5 759 – 286 6 837 – 419 5 173·26 – 81·41 6 93·57 – 28·49 Choose two of the calculations from the write a word problem for each of them. © HarperCollinsPublishers Ltd 2008 activity and, on the back of your sheet, 45 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 46 Y5 D2 L4 HCM 40 Name _________________________Date ____________ Reviewing multiplication Use efficient written methods to multiply HTU x U, • TU x TU and U.t x U Use a written method to answer each of the following. Show all your working. 1 765 x 9 = 2 462 x 6 = 3 629 x 7 = 4 953 x 4 = Work out the answers to each of the following. Show all your working. 1 6·8 x 8 = 2 5·6 x 9 = 3 4·8 x 6 = 4 8·5 x 7 = 5 9·6 x 6 = 6 7·7 x 4 = Use a written method to answer each of the following. Show all your working. 46 1 67 x 83 = 2 72 x 39 = 3 56 x 44 = 4 94 x 68 = © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 47 Y5 D2 L6 HCM 41 Name _________________________Date ____________ Plotting shapes • Read and plot co-ordinates in the first quadrant For each grid, plot the points and join them in order with straight lines. You need: G ruler y y 6 6 5 5 4 4 3 3 2 2 1 1 0 0 x 0 1 2 3 4 6 5 1 4 3 6 5 Three of the vertices of a rectangle are plotted on each grid. Find the 4th vertex. y y 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 0 1 2 4 3 5 6 7 8 9 x a The co-ordinates are: ( 2 2 b (2, 2) (2, 5) (6, 6) (6, 2) (2, 2) Name of shape a (1, 4) (3, 6) (6, 2) (1, 4) Name of shape 1 x 0 , 0 0 1 2 4 3 5 6 7 8 9 x b The co-ordinates are: ) ( , ) For each rectangle, draw the diagonals. The diagonals of rectangle a cross at the point ( , ) The diagonals of rectangle b cross at the point ( , ) © HarperCollinsPublishers Ltd 2008 47 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 48 Y5 D2 L9 HCM 42 Name _________________________Date ____________ Packaging weights Choose and use appropriate number operations to • solve problems 1 Find 10 different packets, tins and jars.Write the name of each container in column 1. 2 Read the weight on the side of the container and write it in column 2. 3 Round the weight to the nearest 100 g and write your answer in column 3. Container Jar of mayonnaise You need: G selection of packets, tins and jars Actual weight of container Rounded to nearest 100 g 425 g 400 g 1 2 3 4 5 6 7 8 9 10 1 Write the actual weight of each container in the correct circle. packets 48 jars tins 2 Round the total weight of containers in each circle to the nearest 100 g. packets jars tins 3 Find the difference in weight between the heaviest and lightest set. © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:39 Page 49 Name _________________________Date ____________ Y5 E2 L1 HCM 43 Decimal 1 pairs • Use knowledge of addition • • • Cut out the cards and shuffle them.You can play on your own or with a partner. Place all the cards face down.Turn over two cards. You need: If they equal 1, keep them. If they do not, put G scissors them back in the same place. G pencil and If you are playing on your own, keep going until you paper have all the pairs. If you are playing in pairs, take it in turns until all the cards are taken. The player with more pairs is the winner. 0.1 0.9 0.2 0.8 0.3 0.7 0.4 0.6 0.5 0.5 0.1 0.9 0.2 0.8 0.3 0.7 0.4 0.6 0.5 0.5 On a separate sheet of paper, write 10 pairs of decimals to two places that total 1, e.g. 0·17 and 0·83. © HarperCollinsPublishers Ltd 2008 49 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 50 Y5 E2 L4 HCM 44 Name _________________________Date ____________ Fraction and decimal dominoes • Relate fractions to their decimal equivalents Cut out the dominoes and complete the domino loop matching the fractions to the equivalent decimal. You need: G scissors G pencil and paper ✃ ✃ 3 4 0.5 2 10 0.75 1 2 0.6 0.3 1 10 0.25 4 10 0.1 6 10 1 4 0.8 8 10 0.2 0.4 3 10 0.12 4 10 96 100 0.25 2 10 0.02 1 4 0.2 2 100 0.68 0.96 39 100 0.4 0.75 Make your own set of 9 fraction and decimal dominoes. How tricky can you make it? 12 100 68 100 3 4 0.39 HINT Think about equivalent fractions, e.g. –8 = 4– . 10 50 5 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 51 Y5 E2 L8 HCM 45 Name _________________________Date ____________ Get the proportion • Solve problems involving proportions of quantities 1 Tom’s dad has bought 24 sweets. As Tom is older than his sister Julie, his dad gives him 3 sweets for every 1 he gives Julie. Complete the table to work out how many sweets they’re both given. Tom 2 Tom 3 Julie For every 7 bones Nellie has, she eats 1 and buries 6. She has 35 bones. How many has she buried and how many has she eaten? Complete the table to help you work out the problem. eaten Julie 1 eaten buried 1 6 buried 1 Out of every 5 stickers I buy, I keep 2 and swap 3. I have bought 35 in the last few weeks. How many have I kept? How many have I swapped? Complete the table to help you work out the problem. 2 Apples come in bags of 8. I eat 6 out of every bag and give 2 to my rabbit. If I buy 6 bags, how many apples do I eat? How many does my rabbit eat? keep 2 swap 3 me 6 rabbit 2 On the back of this sheet write down as many times that you can think of when you use proportion in the real world. © HarperCollinsPublishers Ltd 2008 51 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 52 Y5 E2 L9 HCM 46 Name _________________________Date ____________ Find the fraction • Find fractions using division of numbers and quantities Work out the following fractions. Show all your working. 1 2 a –14 of 24 b –13 of 27 c –15 of 45 d –16 of 60 e –14 of 100 f 10 –1 of 100 Work out the following fractions. Show all your working. a –13 of 69 b –17 of 98 c –18 of 120 d 10 –1 of 220 Work out the following whole amounts. Show all your working. a –15 of = 20 b –14 of = 12 c –13 of = 14 d 10 –1 of =5 Explain why fractions and division go together.Write your explanation on the back of this sheet. Read your explanation to someone at home and see if it makes sense to them. 52 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 53 Y5 E2 L11 HCM 47 Name _________________________Date ____________ Helpful doubles • Use doubling to multiply by 12, 14, 16 and 18 Complete each number fact by multiplying then doubling your answer. aa 5 × 8 5×8 ×× 44 double double bb 7 × 8 7×6 × 3× 4 double double cc 9 × 8 9×6 ×4 ×3 ×2 ×2 dd 6 × 8 6×8 ×4 ×4 ×2 ×2 ee 4 × 8 4 × 12 ×4 ×6 double double ff 8 × 8 8×8 ×4 ×4 ×2 ×2 5 Complete each number fact by multiplying then doubling your answer. a 5 × 16 ×8 double b c 10 × 14 ×7 ×2 d 6 × 16 ×8 double 7 × 18 ×9 ×2 e g 3 × 12 ×6 double 4 × 18 ×9 ×2 f 8 × 14 ×7 ×2 h 9 × 12 ×6 double Write down two, two-digit numbers greater than 20. Multiply each of the numbers by 12, 14, 16 and 18. Show your working out on the back of this sheet. © HarperCollinsPublishers Ltd 2008 53 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 54 Y5 E2 L13 HCM 48 Name _________________________Date ____________ Holiday money • Make simple conversions of pounds to foreign currency 1 Find the tourist rates in the business section of a recent newspaper. Cut it out and staple it to the corner of this page. 2 What currency is used in: You need: a Hong Kong G newspaper b Australia c Spain d India e Switzerland 3 What is the exchange rate for one: a US dollar b Euro c Japanese yen d Singapore dollar Complete the tables below to show how much of each currency you receive when you exchange English pounds. Round each currency rate to the nearest whole number if you need to. a Mexican Pesos b Thai Baht £1 = 54·36 £1 = 14·6 £5 £25 £100 £5 £10 £100 a Danish Kroner £1 = 11·42 £5 £25 £50 54 b New Zealand Dollars £1 = 3·03 £5 £25 £50 c Australian Dollars £1 = $2·5 £5 £25 £50 c Euro £1 = 1·56 £5 £25 £100 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 55 Name _________________________Date ____________ Y5 A3 L2 HCM 49 Decimal pathways • Order decimal numbers with up to two places Find two paths through the numbers from start to finish. You can move in any direction but the decimals must be in order. Path 1 4·6 15·3 Path 2 4·6 15·3 Path 1 12·63 24·85 Path 2 12·63 24·85 On the back of this sheet write all the decimal numbers on this sheet in order, smallest to largest. © HarperCollinsPublishers Ltd 2008 55 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 56 Name _________________________Date ____________ Y5 A3 L3 HCM 50 Decimal 10 pairs • Use knowledge of addition • • • Cut out the cards and shuffle them. You can play on your own or with a partner. Place all the cards face down.Turn over two cards. If they equal 10, keep them. If they do not, put them back in the same place. If you are playing on your own, keep going until you have all the pairs. If you are playing in pairs, take it in turns until all the cards are taken. The player with more pairs is the winner. You need: G scissors G pencil and paper 0.1 1.9 1.2 2.8 4.3 4.7 3.4 5.3 3.5 0.5 8.1 6.6 7.2 8.8 9.9 5.7 8.4 1.6 6.5 9.5 On a separate sheet of paper, write 10 pairs of decimals to two places that total 10, e.g. 8·26 + 1·74. 56 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[07-51] 5/11/07 17:40 Page 57 Y5 A3 L6 HCM 51 Name _________________________Date ____________ Multiplication and division facts • Know by heart multiplication and division facts Write in the missing signs. 1 7 = 13 f 24 3=8 b 20 3 = 17 f 8 c 18 9=9 g 25 5=5 c 32 4=8 g 12 5 = 17 d 18 6=3 h 7 d 32 4 = 28 h 12 4=3 b 6 7=0 7 = 11 e 8 e 5 4 = 20 a 4 7 = 42 a 6 2 x ÷ 3 = 24 4=2 Write a multiplication or division calculation for each of the following. Then work out the answer. Calculation Answer 1 What is the product of 80 and 70? 2 What is 90 times itself? 3 There are 72 biscuits. Each packet contains 9 biscuits. How many packets? 4 How many times does 4 go into 84? 5 What are 5 lots of 12? 6 What is the quotient of 24 and 6? 7 A baker uses 7 dozen eggs per day. How many eggs is this? 8 There are 52 playing cards in a “deck”. Split the deck between 4 players. How many cards do they each get? 9 John has 6 blue marbles and 7 times as many green marbles. How many marbles does he have altogether? 10 What is 49 000 divided by 700? On the back of this sheet, write 10 multiplication and division facts that are related to 9 x 8 = 72. © HarperCollinsPublishers Ltd 2008 57 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:44 Page 58 Y5 A3 L9 HCM 52 Name _________________________Date ____________ Recording division • Refine and use efficient written methods to divide HTU ÷ U Approximate the answer to each calculation. Show the calculation you used. c b 519 ÷ 9 a 268 ÷ 4 221 ÷ 3 d 384 ÷ 8 e 457 ÷ 5 h 364 ÷ 7 f g 676 ÷ 7 287 ÷ 6 i 785 ÷ 9 j 299 ÷ 8 For each calculation, write the approximate answer first, then use a standard written method of division to record your work. a 4 56 ÷ 7 b 165 ÷ 3 c 686 ÷ 8 d 352 ÷ 4 e 387 ÷ 9 f 465 ÷ 5 Look at your answers for the activity. On the back of this sheet, use a different written method to check your answers. 58 © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 59 Y5 B3 L3 HCM 53 Name _________________________Date ____________ Sum choice • Use efficient written methods to subtract decimals Choose numbers and make up 5 addition and 5 subtraction calculations. Work them out using the vertical method. Be sure to make an estimate first. 6.47 2.71 5.03 3.81 7.85 2.35 4.23 2.12 8.34 9.26 Choose numbers and make up 5 addition and 5 subtraction calculations. Work them out on the other side of this sheet, using the vertical method. Be sure to make an estimate first. 12.62 4.83 15.72 8.62 24.72 9.85 13.42 6.13 25.96 2.72 Choose 1 addition and 1 subtraction calculation and, on the back of this sheet, show a mental calculation method you could have used. © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 59 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 60 Y5 B3 L4 HCM 54 Name _________________________Date ____________ Learn your facts! • Use knowledge of place value and addition and subtraction Learn the decimals that go together to equal 1. 1 Read the first column and try to remember the facts. 2 Cover the first column and work out the second column. Mark your answers. 3 Cover the first and second columns and work out the third column. 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 + + + + + + + + + 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 = = = = = = = = = 0.5 0.4 0.9 0.7 0.2 0.6 0.1 0.3 0.8 1 1 1 1 1 1 1 1 1 + + + + + + + + + = = = = = = = = = 1 1 1 1 1 1 1 1 1 0.1 0.8 0.4 0.7 0.2 0.6 0.3 0.5 0.9 + + + + + + + + + = = = = = = = = = 1 1 1 1 1 1 1 1 1 Learn the decimals that go together to equal 10. 1 2 Complete the first column as quickly as you can. Mark your answers. Complete the other two columns. Each time try and beat your score. 4.5 2.3 7.6 4.2 3.9 8.5 1.8 0.4 3.3 7.9 + + + + + + + + + + = = = = = = = = = = 10 10 10 10 10 10 10 10 10 10 1.5 6.3 7.5 1.8 4.9 6.4 7.8 1.4 0.8 7.6 + + + + + + + + + + = = = = = = = = = = 10 10 10 10 10 10 10 10 10 10 8.9 9.4 1.3 3.4 7.5 6.1 8.7 0.8 4.4 2.3 + + + + + + + + + + = = = = = = = = = = 10 10 10 10 10 10 10 10 10 10 On the back of this sheet, write out ten numbers below 10 with two decimal places, e.g. 6·32. As quickly as you can, write the number that goes with each one to equal 10. 60 © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 61 Y5 B3 L7 HCM 55 Name _________________________Date ____________ Remainders Express a quotient as a fraction when dividing whole • numbers Work out the answers to each of these calculations. Express any remainders as a fraction. a 36 ÷ 7 = b 50 ÷ 8 = c 17 ÷ 2 = d 26 ÷ 5 = e 54 ÷ 10 = f 14 ÷ 3 = g 28 ÷ 4 = h 33 ÷ 6 = i 23 ÷ 3 = Add the remainders A game for 2 players. 12 23 48 7 38 G G G G G G G G G G 31 59 27 46 15 44 51 13 35 54 9 32 49 26 60 You need: G 1-6 dice G paper G pencils G 20 counters Take turns to place a counter on one of the numbers on the grid, e.g. 27. Once a number has been covered with a counter, it cannot be used again. Roll the dice, e.g. 6, and divide the number on the grid by the dice number, i.e. 27 ÷ 6 = 4 R 3.The remainder, i.e. 3, is your score for that round. If there is no remainder, score 0. Keep a running total. The winner is the player with the higher score after all the numbers have been covered. Roll a 1-6 dice three times and write down the numbers. Arrange them to make a 2-digit number and a 1-digit number. You need: Divide the 2-digit number by the 1-digit number. G 1-6 dice Investigate what division calculations you can make that have answers with a remainder of 1. What about calculations with a remainder of 2, 3, 4…8, 9? Write your answers on the back of this sheet. © HarperCollinsPublishers Ltd 2008 61 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 62 Y5 B3 L9 HCM 56 Name _________________________Date ____________ Multiplication and division Use known facts and place value to multiply and • divide mentally Sort these calculations into groups as shown. 200 × 10 5000 ÷ 10 350 ÷ 2 94 × 5 450 × 2 65 × 6 40 × 1000 680 ÷ 2 7000 ÷ 100 300 × 10 38 × 3 420 ÷ 2 56 × 4 365 × 2 485 × 2 29 × 7 9000 ÷ 1000 87 × 9 760 ÷ 2 77 × 6 ×10 ×100 ×1000 ÷10 ÷100 ÷1000 ×2 ÷2 × units Work out the answers to each of the calculations above in your head. Write the answers beside each calculation. Look at the x units bag in the activity. Change each calculation into a U.t x U calculation and work out the answer.Write the calculations and the answers on the back of this sheet. 62 Example 56 x 4 = 224 5·6 x 4 = 22·4 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 63 Y5 B3 L11 HCM 57 Name _________________________Date ____________ Flexing rectangles • Solve mathematical problems or puzzles 1 Cut out the large rectangle at the bottom of the sheet. You need: G scissors G sticky tape 2 4 1 1 2 3 Q U 3 2 1 1 2 3 3 2 1 1 2 3 S A 3 2 1 1 1 1 2 3 E R 3 2 1 1 2 3 Fold the middle section back. 1 3 1 2 3 1 5 Fold the right-hand column back.Then fold it back again. 1 1 1 2 6 Fold the left-hand square in. Carefully join the two middle squares with tape. 3 3 3 © HarperCollinsPublishers Ltd 2008 2 2 1 2 3 1 1 1 1 3 1 1 1 1 1 1 1 ✃ You can see all the 1s. Find the face with all the 2s. Now ‘flex’ the shape to find the face with all the 3s then the face with all the letters. Unscramble the letters to find the name of a mathematical shape. 1 3 1 7 3 Carefully cut along the dark lines. Copy these numbers and letters. …on the front …on the back © HarperCollinsPublishers Ltd 2008 63 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 64 Y5 B3 L13 HCM 58 Name _________________________Date ____________ Nets made with equilateral triangles • Draw nets of 3-D shapes a Copy this net of an octahedron on to the triangular dot grid. b Cut out the net and make up the shape. You need: G ruler G scissors G glue G triangular dot 5 3 B 2 I C net: 12 triangles 4 D D 5 A B C D E 4 © HarperCollinsPublishers Ltd 2008 E E 64 paper net: 8 triangles A a Copy this net of a delta-dodecahedron on to the triangular dot grid. b Cut out the net and make up the shape. c Gluing order: 1 to tab 2 to tab 3 to tab 4 to tab 5 to tab © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 65 Y5 C3 L3 HCM 59 Name _________________________Date ____________ Everyday estimating Suggest suitable units and measuring equipment to • estimate or measure capacity 1 Find about 8 different bottles, jars or containers in your kitchen and bathroom. Turn each container so that you cannot see the label for the number of millilitres. For each item, write its name in column 1 and your estimate, in ml, in column 2. Write the amount on the label in column 3. Write the difference between your estimate and the amount on the label in column 4. 2 3 4 5 You need: G about 8 different bottles, jars or containers Capacity in ml Container a b c d e f g Estimate Measure on label Difference h Food items such as sauce, tomato ketchup, jam and marmalade are usually measured in grams. 1 2 You need: G 5 ml measure or a medicine spoon Choose any one of the above items. G food items Find a way to measure, in millilitres, either: ● how much jam you spread on a slice of bread, or: ● how much sauce or ketchup you use for a portion of chips or other food. Write about what you found out. © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 65 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:51 Page 66 Y5 C3 L5 HCM 60 Name _________________________Date ____________ Time lines • Use graphs to answer questions Jay turned over a sand timer. The table shows the height of sand. Height (mm) 0 20 40 40 40 20 0 1 Complete the line graph. 2 When did Jay turn over the timer again? 3 How long does it take for the timer to finish? 40 35 30 Height (mm) Time (minutes) 0 2 4 6 8 10 12 25 20 15 10 0 0 2 4 6 8 10 12 Time (minutes) The table shows the volume of paint in a model paint sprayer. Time 2 p.m. 2.20 2.40 3 p.m. 3.20 3.40 4 p.m. Paint (ml) 20 0 80 60 60 50 30 1 Draw a line graph for the data. Make your graph as easy as possible to read. You need: G graph paper 2 Estimate the volume of paint at a 2:10 p.m. b 3:30 p.m. 3 Estimate when the sprayer contained 70 ml of paint. The table shows the amount of coffee in the office coffee pot. Time 10 a.m. 10.30 11 a.m. 11.30 12 noon 12.30 1 p.m. 66 Coffee (ml) 500 200 0 300 200 200 400 © HarperCollinsPublishers Ltd 2008 1 Draw a line graph for the data. 2 Estimate the volume of coffee at 12:45 p.m. 3 Estimate when the coffee pot contained 100 ml of coffee. You need: G graph paper © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 67 Y5 C3 L7 HCM 61 Name _________________________Date ____________ Cycling distance time-graphs • Use time-distance graphs to answer questions Distance from Karl (metres) Karl has a radio controlled steam roller. The graph shows the journey. You need: G ruler Karl’s steam roller 20 10 0 0 10 20 30 40 Time (seconds) 50 60 1 How far was the steam roller from Karl at these times? 2 When was the steam roller these distances from Karl? a 20 seconds a 5 m going b 35 seconds b 12 m going c 46 seconds c 8 m returning 3 How long did the journey take? 4 70 For how long was the steam roller stopped? Time Distance from (minutes) home (km) 0 10 20 25 35 50 0 3 4 6 6 0 Distance from home (km) Karl cycled to the shops.The table shows the distances and times. Complete the graph. Karl’s cycle trip to the shops 6 4 2 0 0 10 20 30 40 Time (minutes) 50 Describe Karl’s cycle journey.Write your description on the back of this sheet. © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 67 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 68 Y5 C3 L9 HCM 62 Name _________________________Date ____________ Coining it • Collect and organise data to answer a question You need: G 5p coin G Tally charts PE O N CE TW This game costs 5p to play. 1 Spin a 5p coin on the playing area. 2 Add up the value of each coin your 5p touches.This is your prize money. 3 Do this 40 times. Record your winnings in the tally chart. TW TW PE O CE TW 2 N CE TW CE N 2 CE 2 PE O N CE 2 PE O PE O N PE O N TW 2 2 You need: G 1 cm squared paper 1 What is the mode of your winnings? 2 Do you think the game is fair? Why? 3 Use square paper to draw a diagram to show your results. How could you change the rules to make the game fair? Play the game and calculate the new mode. Do your rules give you a better chance of winning? Why? Show your working on the back of this sheet. 68 © HarperCollinsPublishers Ltd 2008 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 69 Y5 D3 L2 HCM 63 Name _________________________Date ____________ Sports costs • Use a calculator to solve problems Use a calculator to find the total cost in £ and p. G calculator Table tennis bat 72p £41 £17 £28 Tennis racket You need: Hockey stick Table tennis ball 58p 94p Shuttlecock Wristband a 3 rackets and bat e 10 balls and 3 wristbands b 4 bats and 2 hockey sticks f 2 wristbands and 8 shuttlecocks c 5 rackets, a bat and a hockey stick g 3 balls, 4 wristbands and 6 shuttlecocks d 6 balls and 2 shuttlecocks £19 £34 84p £7.26 55p Football boots Tracksuit Swimming trunks Boot laces Headband a 3 pairs of football boots and a tracksuit d 2 headbands and 2 pairs of laces b 5 tracksuits and a pair of trunks e A pair of trunks and 3 headbands c 2 pairs of trunks and 3 pairs of football boots f 2 tracksuits and 3 pairs of laces What tips would you give to someone about how to use a calculator involving money? Write your tips on the back of this sheet. © HarperCollinsPublishers Ltd 2008 69 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 70 Y5 D3 L5 HCM 64 Name _________________________Date ____________ Problem solving • Solve word problems You need: G calculator 1 There are 203 children 2 80 adults and 40 in 7 classes.There is the children were asked 3 Rav travelled 3·7 km by same number of children which car colour they car, 35·2 km by train in each class. However, prefer. If one quarter of and 1 km on foot. How today five children are those asked said they many kilometres did away from Year 5. How preferred silver, how Rav travel in total? many children are in many people preferred Year 5 today? silver cars? 1 A recipe needs 25 g of butter, 75 g of sugar, 250 g of flour and 60 g of cocoa.What is the total weight of these ingredients? 1 2 Four people paid £92 for football tickets. What was the cost of each ticket? When is your birthday? 3 Lisa is 8 years old. Her grandad is 7 times older than she is. How old is her grandad? How many times does your heart beat in a day? How old are you? How many months old are you? 3 Most people lose about 80 hairs from their head each day. How many hairs would you lose in: How many weeks old are you? January? February? 2 70 A child’s heart beats about 82 times a minute. How many times does your heart beat in an hour? June? August and September? © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 71 Y5 D3 L7 HCM 65 Name _________________________Date ____________ Finding the square units the formula ‘length x breadth’ for the area of • aUse rectangle Remember Size of square Circle the size of square you think is best to measure these surfaces. 1 square millimetre 1 mm2 1 square centimetre 1 cm2 1 square metre 1 m2 a paperback book b pop poster c postcard mm2 cm2 d bed cover m2 mm2 cm2 m2 e bedroom floor mm2 cm2 m2 f bedroom door mm2 cm2 m2 g calculator key mm2 cm2 m2 h compact disc mm2 cm2 i £1 coin mm2 cm2 m2 mm2 cm2 m2 1 These windows have square panes of glass. Work out the area of glass in each window. Show your working on the back of this sheet. 2 Which window will let in the most light? © HarperCollinsPublishers Ltd 2008 mm2 cm2 m2 m2 71 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 72 Y5 D3 L9 HCM 66 Name _________________________Date ____________ Four-square designs Complete symmetrical patterns with two lines of • symmetry at right angles Example Each pattern has 2 lines of symmetry. One sector Complete pattern You need: G ruler Lines of symmetry Complete these patterns. a b c d e f Make 3 different patterns with 2 lines of symmetry. (Use two colours.) You need: G 2 coloured pencils a 72 b c © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 73 Y5 E3 L4 HCM 67 Name _________________________Date ____________ Percentages • Understand percentage as the number of parts in every 100 Look around your home. Can you find any percentages? Look in the food cupboard on boxes, packets and tins. Look in newspapers and magazines.Write any you find. You need: G ruler G coloured pencils 1 2 1 2 Shade in 50% of these shapes. a b c d Find 50% and 25% of these numbers. a 100% = 12 b 100% = 32 50% = 50% = 50% = 50% = 25% = 25% = 25% = 25% = c d Shade in 25% of these shapes. a b c 100% = 60 d 100% = 84 Find 30% of these amounts. a 100% = £84 b 100% = £48 c 100% = £200 d 100% = £104 10% = 10% = 10% = 10% = 30% = 30% = 30% = 30% = Explain why fractions, decimals and percentages are connected.Write your explanation on the back of this sheet. © HarperCollinsPublishers Ltd 2008 73 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 74 Y5 E3 L6 HCM 68 Name _________________________Date ____________ Four in a row • Understand percentage as the number of parts in every 100 For 2 players. ● Decide which version of the game you are going to play. ● Take it in turns to roll the dice. ● See what percent of the grid you can colour in by looking at the table below. ● Colour your squares in your colour pencil. ● Keep going until the grid is completely coloured. ● Work out your total percentage. The person with the greater percent is the winner. Dice % 1 2 3 4 5 6 25% 10% 10% 5% 20% 20% Dice % You need: G two coloured pencils G a 1-6 dice 1 2 3 4 5 8% 17% 1% 11% 15% 21% On the back of this sheet write both your total percentages as a fraction and a decimal. 74 6 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 75 Y5 E3 L7 HCM 69 Name _________________________Date ____________ Temperatures around the world Solve one-step and two-step problems involving whole • numbers and decimals, choosing and using appropriate calculation strategies Look at a newspaper. Find the information that tells you the temperatures in different cities around the world. Choose You need: G newspaper 6 cities and write the temperatures into the table below. City Temperature 1 Put the places in order from hottest to coldest. 2 What is the difference in degrees between the hottest and the coldest place? 1 If the temperature rose by 17 degrees in your coldest place what would the temperature be then? 2 What is the average temperature for the 6 cities? HINT To find the average temperature, add together If the temperature in all your cities rose by 10%, all 6 temperatures and what would the temperatures be then? Write your then divide by 6. answers on the back of this sheet. © HarperCollinsPublishers Ltd 2008 75 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 76 Y5 E3 L9 HCM 70 Name _________________________Date ____________ How many? • Solve problems involving proportions of quantities 1 Two brothers have 20 stickers to share out between them. The older brother decides for every three his brother has, he will have one. Complete the table to work out how many stickers they both get. Answer 2 To make a litre of green paint you need 2 tins of blue paint for every 3 tins of yellow paint. How many tins do I need to make 5 litres of paint? Complete the table to help you work it out. Answer Blue 2 1 Chicken must be cooked 50 minutes for every kg. How long does it take to cook a 4 kg chicken? Complete the table to help you work it out. Answer Cooking time 50 minutes Chicken 1 kg 2 To make up the orange drink, you need 10 ml of squash for every 100 ml of water. I have 50 ml of squash, so how much can I make up? Complete the table to help you work it out. Answer Squash 10 ml Water 100 ml Older brother Younger brother 1 3 Yellow 3 Amount 1 litre 550 ml of orange drink is enough for 4 people. How much squash and how much water do you need to make this amount? Show your answer and working out on the back of this sheet. 76 © HarperCollinsPublishers Ltd 2008 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 77 Name _________________________Date ____________ Y5 E3 L11 HCM 71 Reviewing written multiplication and division Use efficient written methods to multiply and divide • HTU x U,TU x TU, U.t x U and HTU ÷ U For each calculation, approximate the answer first, and write it in the bubble.Then work out the answer. Show all your working. a 456 x 7 b 867 x 5 c 6·8 x 8 d 9·4 x 6 a 83 x 75 b 64 x 37 c 92 x 51 d 77 x 28 a 765 ÷ 8 b 348 ÷ 7 c 504 ÷ 4 d 883 ÷ 8 © HarperCollinsPublishers Ltd 2008 77 [1129]_CNPM_HCM_5_[52-72] 5/11/07 17:45 Page 78 Y5 E3 L14 HCM 72 Name _________________________Date ____________ Number sequences • Explain a generalised relationship in words Fill in the missing numbers in each sequence.Write down the rule. a 4, 10, 16, 22, 28, 34, b 120, 109, 98, , , , , , 70 Rule: , , , , , 32, 21, 10, –1 Rule: c 2, 4, 8, 16, 32, 64, , , , , Rule: d 27, 36, , , , 90, 99, 108, 117, 126 Rule: , , e 1, 3, 9, , 81, 243 , 2187, f 352, 345, , 331, 324, , 310, a 1, 3, 7, 15, 31, 63, 127, 255, b 2, 8, 26, 80, , c 6, 7, , 12, d 1, 8, , 778, e 100, 195, 385, f 100, 98, , 88, , , 21, , 19 683 , , , , , 289, , , 70, Rule: Rule: , 19 682, 59 048 , 34, 42, , , 275 , , 61, 72 , 77 778 , Rule: Rule: Rule: Rule: , 6085, 12 165 , 44, 28, Rule: Rule: On the back of this sheet, write one number sequence for each of the following rules. Include 10 numbers in each sequence.Write down your rule. ● ● ● ● ● 78 Add or subtract the same number each time. Multiply or divide the same number each time. Add or subtract a changing number. Add the two previous numbers. Combine two operations. © HarperCollinsPublishers Ltd 2008
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