homework 23.03.17 maths could

1
The mass of a 10p coin is 6.5g.
The mass of a 5p coin is half the mass of a 10p coin.
What is the mass of these six coins altogether?
2 marks
2
Mina has 5 more marbles than Kirsty.
Kirsty has 2 more marbles than Seb.
Altogether they have 30 marbles.
Page 1 of 6
How many marbles does each child have?
2 marks
3
Amy thought of a number.
She added 0.5 to her number and then doubled the result.
Then she subtracted 0.5 and doubled the new result.
Her final answer was 61.
What number did Amy start with?
2 marks
Page 2 of 6
4
97
42
−
1
36
____________
85 477
____________
2 marks
5
Write the missing fraction.
1 mark
6
98.4 ÷ 100 =
1 mark
Page 3 of 6
7
23.8 ÷ 1000 =
1 mark
8
Here are five number cards.
Use four of the cards to complete these calculations.
1 mark
9
Calculate 936
÷ 36.
2 marks
10
How many boxes of 40 matches can be filled from 2688 matches?
boxes
1 mark
Page 4 of 6
11
A shop sells rolls of wire.
By Public Domain Photos [CC BY 2.0], via Flickr
roll A
roll B
Two rolls, A and B, each have 45 metres of wire on them.
The wire on roll A is cut into 1.25m lengths.
The wire on roll B is cut into 2.25m lengths.
How many more lengths of wire are cut from roll A than roll B?
2 marks
12
By marjoleinknuit [CC BY-SA 2.0],
via Flickr
By ayca13 [CC BY 2.0], via Flickr
A cake costs 15p more than a biscuit.
Megan bought a cake and two biscuits for 90p.
Page 5 of 6
How much do a cake and a biscuit each cost?
2 marks
13
Two decimal numbers add together to equal 1.
One of the numbers is 0.007.
What is the other number?
1 mark
Page 6 of 6