Assignment 10- Numeracy
2013-2014
Year 8 L3 - 5
Name : ……………………………….
Teacher: ……………………………..
Date Due: ……………………………
Question
Topic
Maximum
mark
1
Fractions
3
2
Four operations
4
3
Money
3
4
Fractions
2
5
Multiplication
2
6
Co-ordinates
2
1
2
3
4
Recipes
4
2
3
4
Level 3
Level 4
5
Proportion
Ratio
Constructing
Formulae
Solving equations
2
Level 5
1
2
3
4
5
Ratio
2
3
4
2
Proportion
Sharing ratios
Simplifying
expressions
Graphs
4
Total = ____
46
Percentage =
%
Marks
awarded
Level 3
1)
In America, there are coins each worth 25 cents.
These coins are called quarters because four of them make one dollar.
(a)
Altogether, how many quarters make 3 dollars?
....................
1 mark
(b)
Laura has 20 quarters. How many dollars is that?
....................
1 mark
(c)
Dev wants to change 10 dollars into quarters. How many quarters should he get?
....................
1 mark
2)
(a)
Work out
37
+
46
=
...............................
1 mark
37
×
5
=
...............................
1 mark
(b)
What number do you need to add to 63 to make 100?
...............................
1 mark
(c)
What number do you need to subtract from 100 to make 38?
...............................
1 mark
3)
This question is about money called euros.
Write the total number of euros in each box.
The first one is done for you.
3 marks
4) (a)
Which shape below is shaded
grey?
Put a ring round the correct one.
1 mark
(b)
Amy says:
of 20 is bigger than
of 40
Is she correct?
Yes
No
Explain how you know.
1 mark
5)
Write numbers in the boxes to make correct calculations.
You must use different numbers each time.
×
=
24
×
=
24
×
=
24
2 marks
6)
Look at the diagram.
(a)
The point K is halfway between points B and C
What are the coordinates of point K?
(............ , ............)
1 mark
(b)
Shape ABCD is a rectangle.
What are the coordinates of point D?
(............ , ............)
1 mark
Level 4
1)
Here are the ingredients for a cordial used to make a drink.
(a)
Jenny is going to make this cordial with 25g of ginger.
How much lemon, water and sugar should she use?
3 marks
(b)
The finished drink should be
cordial and
water.
Jenny puts 100 ml of cordial in a glass.
How much water should she put with it?
.........................ml
1 mark
2) (a)
Look at this information about recycling:
25 large plastic bottles can be recycled to make 1 fleece jacket.
Write the missing number in this sentence.
200 large plastic bottles can be recycled to make ...................... fleece jackets.
1 mark
(b)
In a survey, 9 out of 10 people said they would like to recycle more.
What percentage of people said they would like to recycle more?
...................... %
1 mark
3) Write down the ratio of rectangles to circles
a)
___ : ___
b)
___ : ___
c)
___ : ___
3 marks
4)
The perimeter of this shape is 3t + 2s.
p = 3t + 2s
Write an expression for the perimeters of each of these shapes.
Write each expression in its simplest form.
4 marks
I think of a number. I call my number n
5) a)
Then I add 5 to my number.
The answer is 8
What was my number?
1 mark
(b)
Solve this equation to find the value of m
1 mark
Level 5
1) Write the following ratios in their simplest form
a) 16 : 12
………………..
b) 25 : 45
…………………
2 marks
2)
Screenwash is used to clean car windows.
To use Screenwash you mix it with water.
(a)
In winter, how much water should I mix with 150ml of Screenwash?
.......................... ml
1 mark
(b)
In summer, how much Screenwash should I mix with 450ml of water?
.......................... ml
1 mark
(c)
Is this statement correct?
25% of winter mixture is Screenwash.
Tick ( ) Yes or No.
True
False
Explain your answer.
1 mark
3)
You can make different colours of paint by mixing red, blue and yellow in different
proportions.
For example, you can make green by mixing 1 part blue to 1 part yellow.
(a)
To make purple, you mix 3 parts red to 7 parts blue.
How much of each colour do you need to make 20 litres of purple paint?
Give your answer in litres.
..................... litres of red and ..................... litres of blue
2 marks
(b)
To make orange, you mix 13 parts yellow to 7 parts red.
How much of each colour do you need to make 10 litres of orange paint?
Give your answer in litres.
..................... litres of yellow and ..................... litres of red
2 marks
4)
(a)
Here is an expression.
2a + 3 + 2a
Which expression below shows it written as simply as possible?
Put a ring round the correct one.
7a
7+a
4a + 3
2a + 5
4(a + 3)
1 mark
(b)
Here is a different expression.
3b + 4 + 5b – 1
Write this expression as simply as possible.
...............................
1 mark
5)
A company sells books using the internet.
The graph shows their delivery charges.
(a)
Use the graph to fill in the values in this table.
Number of books
Delivery charge (£)
8
9
1 mark
(b)
For every extra book you buy, how much more must you pay for delivery?
............................... p
1 mark
(c)
A second company sells books using the internet.
Its delivery charge is £1.00 per book.
On the graph opposite, draw a line to show this information.
1 mark
(d)
Complete the sentence.
Delivery is cheaper with the first company
if you buy at least ........................... books.
1 mark