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Equivalent fractions
Created by Richard Bull
Equivalent fractions
1 whole
1/21/2
1/41/4
1/41/4
1/81/8
1/81/8
1/81/8
1/81/8
We are learning about equivalent fractions
1 whole
½ ½
¼¼¼¼
1/81/8
1/81/8
1/81/8
1/81/8
We can see that
1/1 = 2/2 = 4/4 = 8/8 They are equivalent fractions
We can see that 2/8 is the same length as 1/4 So 2/8 = 1/4
They are equivalent fractions
1 whole
1/21/2
1/41/4
1/41/4
1/81/8
1/81/8
1/81/8
1/81/8
½
¼¼
1/81/8
1/81/8
Which fractions are equivalent to ½?
1 whole
1/2 = 2/4 = 4/8
Which of these fractions is equivalent to 1/4 ?
2/81/81/2
1 whole
1/21/2
1/41/4
1/41/4
1/81/8
1/81/8
1/81/8
1/81/8
2/4 1/4
Which of these fractions is equivalent to 4/8 ?
1/8
1 whole
1/21/2
1/41/4
1/41/4
1/81/8
1/81/8
1/81/8
1/81/8
1 whole
1/31/3
1/3
1/61/6
1/61/6
1/61/6
1/121/12
1/121/12
1/121/12
1/121/12
1/121/12
1/121/12
=
1/32/6
4/12
= Look at the equivalent fractions – each time the
numerators double, the denominators also double. Which other fraction will be equivalent?
6/24 4/248/24
Think of a pizza cut into six pieces
How many sixths are equivalent to ½?
Now we’ve learnt what equivalent fractions are – let’s find some ourselves.
Good Luck!
1/2 1/2
12
1/4
1/4 1/4
1/4
24
12
1/6
1/6
1/6 1/6
1/6
1/6
36
12
1/8
1/8
1/8
1/8 1/8
1/8
1/8
1/8
48
12
84
63
42
21
12?
?3
62
31
?8
9?
?4
32
6
6
12
1
4 201612
2
83 44 5
Filling in the gaps
3
4
?
20=
15
3
4 20=
× 5
× 5
15
What about this one?
2
3 18=
× 6
× 6
12
Try these:
2
7
?
21=
4
9
12
?= 3
8
18
?=
1
6
?
24=
6 4
27 48