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Fractions

WALT: Use multiplication and division facts to find the whole of a set.

2/3 of ? is 18 �9 + 9 = 18�so 1/3 = 9, 2/3 = 18 3/3 = 27

� 18 + 9 = 27

so 1 whole is 27

2/3 of ? is 18 �18 ÷ 2 = 9�9 x 3 = 27

so 1 whole is 27

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First of all lets do some ordering

3/8 7/8 2/8 1/8 6/8

3/4 1/4 2/4

5/6 2/6 4/6 3/6

4/9 3/9 6/9 1/9 6/9

Finding the whole of a set

E.g 1/3 of ? is 6

1/5 of ? is 20

Finding the whole of a set

1/4 of ? is 28

1/6 of ? is 36

Finding the whole of a set

1/8 of ? is 8

1/3 of ? is 7

Finding the whole of a set

1/9 of ? is 6

1/2 of ? is 40

Finding the whole of a set

2/8 of ? is 16

2/3 of ? is 14

Finding the whole of a set

3/9 of ? is 18

4/5 of ? is 20

Finding the whole of a set

3/7 of ? is 24

5/6 of ? is 42

Finding the whole of a set

3/4 of ? is 75

2/5 of ? is 22