Page 86 - Mathematics Coursebook

End of unit review

End of unit review

1 Write each fraction in its simplest form. a 2 b 15 c 12
6 20 15
2 Copy and complete the table.

Fraction Decimal Percentage Fraction Decimal Percentage
a 0.5 b 1
c 25% 5
e 0.1 d 0.8
f 90%
g 3 3
4 h
5

3 Write the symbol < or > between these: a 3 5
5 11

2
4 a Write 3 as an improper fraction. b Write 32 as a mixed number.
3 5
5 Emmy made four apple pies for a party. She cut each pie into eight pieces.

At the end of the party there were three pieces of apple pie that had not been eaten.
Write the amount of apple pie that was eaten as:
a mixed number b an improper fraction.

6 Work out the answers to these additions and subtractions.
Write each answer in its simplest form.

+
a 5 − 3 b 4 + 1 c 8 − 2 d 11 3
9 9 15 15 9 3 12 4
7 Work these out mentally.
a 1 of $12 b 2 of 21 kg c 1 × 24 d 4 × 30
2 3 4 5
8 Use a written method or a calculator to work these out.

a 1 of $336 b 6 of 168 mg c 4 × 215 d 7 × 288
8 7 5 9
9 In the New York marathon there were 45 360 runners.

7 of the runners were women. How many of the runners were men?
10
10 Work out these divisions. Write the remainders as fractions in their
simplest form. a 38 ÷ 5 b 42 ÷ 8
11 Aiden has $135 to spend on DVDs. Each DVD costs $16. DVDs
a How many DVDs can he buy? only $16 each!
b How much money will he have left?
Use a method of your own choice to check your working.

7 Fractions 85