fractions mean division. 1 4 of 28 =28 ÷ 4=7 how would you find out what of 28 is? 3 4
TRANSCRIPT
Fractions mean division
Fractions mean division
1
4of 28 = 28 ÷ 4 = 7
How would you find out what of 28 is? 3 4
1
47
2
414
3
421
4
4
28
28
=
=
=
=
1
4of 28 = 28 ÷ 4 = 7
2
4of 28 = (28 ÷ 4) x 2 = 14
3
4of 28 = (28 ÷ 4) x 3 = 21
4
4of 28 = 28
Fractions mean division
Can you find all the s of 60 1 5
1
512
2
514
3
521
4
5
60
28
=
=
=
=
4
528=
Fractions mean division
Can you find all the s of 64 1 8
1
8
2
8
= 64 ÷ 8 = 8
= (64 ÷ 8) x 2 = 16
3
8= (64 ÷ 8) x 3 = 24
4
8= (64 ÷ 8) x 4 = 32
5
8
6
8
= (64 ÷ 8) = 40
= (64 ÷ 8) x 6 = 48
7
8= (64 ÷ 8) x 7 = 56
8
8= 64
Fractions mean division
3
8of 40g1.
5
6of 84m2.
2
3of 120 Km3.
3
4of 56 Kg4.
= (40 ÷ 8) x 3 = 15
= (84 ÷ 6) x 5 = 70
= (120 ÷ 3) x 2 = 80
= (56 ÷ 4) x 3 = 42
Fractions mean division
What fraction of £1 is 33p? 33100
What fraction of 1m is 20cm? 20100
15
What fraction of 1kg is 300g? 3001000
310
What fraction of a day is 8 hrs? 824
14
Fractions mean division
Steve had £15 He gave to charity. How
much did he give? How much did he have left?
2 3
2
3of £15 = (15 ÷ 3) x 2 = £10
He gave £10 to charity and he had £5 left.
Fractions mean division
A bottle of juice holds 600ml. A special offer
adds a more. How much is in the bottle now? 1 4
1
4of 600 = 600 ÷ 4 = 150ml
The bigger bottle has 600 + 150 ml = 750ml