Skills · Ratios & Proportions · Ratios & Percents
Equivalent ratios
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- scaling up: 2 : 3 = ? : 12
- scaling down: 12 : 18 = 2 : ?
- a story: 4 apples for every 3 oranges. 12 apples: how many oranges?
- a three-part ratio: 2 : 3 : 5 = ? : 9 : 15
Sample Sheet · Level 1
- 2 : 9 = 10 :
- 4 : 9 = : 36
- 2 : 5 = : 25
- 7 : 6 = 14 :
- 8 : 7 = 32 :
- 4 : 5 = 12 :
- 8 : 9 = 16 :
- 4 : 7 = 24 :
Answer key
- 2 : 9 = 10 : 45
- 4 : 9 = 16 : 36
- 2 : 5 = 10 : 25
- 7 : 6 = 14 : 12
- 8 : 7 = 32 : 28
- 4 : 5 = 12 : 15
- 8 : 9 = 16 : 18
- 4 : 7 = 24 : 42
Sample Sheet · Level 3
- 5 : 3 : 9 = 15 : : 27
- 2 : 11 = 14 :
- 44 : 20 = 11 :
- 5 : 12 = : 72
- 2 boys for every 5 girls. 25 girls: how many boys?
- 8 : 3 : 6 = 16 : 6 :
- 4 apples for every 5 oranges. 28 apples: how many oranges?
- 32 : 56 = 4 :
Answer key
- 5 : 3 : 9 = 15 : 9 : 27
- 2 : 11 = 14 : 77
- 44 : 20 = 11 : 5
- 5 : 12 = 30 : 72
- 10
- 8 : 3 : 6 = 16 : 6 : 12
- 35
- 32 : 56 = 4 : 7
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.