Page 84 - MAT KS3 Y8 Cambridge CheckPoint

End-of-unit review

End-of-unit review

1 The table below lists some common fractions, decimals and percentages. Copy and complete the table.

3 2
Fraction 4 5

Decimal 0.8 0.3

Percentage 20% 50%

2 Write 32% as: a a decimal b a fraction.

3 Write 0.06 as: a a percentage b a fraction.
4 Write 4 as: a a decimal b a percentage.
25
5 Use division to convert each of these fractions to a decimal.
Give your answer to part c correct to three decimal places.
a 3 b 4 c 17
8 11 41
6 Write these fractions in order of size, smallest first.
Show your working.

11 5 3 1
20 8 5 2
7 Work out these additions and subtractions.
Write each answer in its simplest form.
5
5
1
1
2
2
1
a 1 + b 9 − c 5 + d 2 − e 2 + 3 f 4 − 2 5
4 8 10 5 7 3 3 4 6 4 2 9
8 Simon has two pieces of carpet.
3
1
One of the pieces is 3 m long. The other is 4 m long.
2 5
a What is the difference in the lengths of the two pieces of carpet? 1 3
3 m m
b Simon lays the two pieces of carpet together, end to end. 2
What is the total length of the carpet?
9 Work these out mentally.
1
4
a 3 of $24 b 3 × 35 c 1 × d 3 × e 1 ÷ 2 f 4 ÷ 3
4 5 3 8 5 7 3 5 7 8
10 Work these out. Give each answer as a mixed number in its lowest terms.
In parts c, d and e
4
a 2 of 14 kg b 3 × 18 c 7 × 22 d 14 ÷ e 24 ÷ 12
3 5 8 5 19 cancel before you do
any calculations.
11 Which of these cards gives an answer that is different from the other two?
Show all your working. A B C
32 × 3 81 ÷ 9 42 × 3
5 2 7

82 7 Fractions