Equivalent Ratios Parts and Wholes

Thinking of equivalent ratios, 1 : 4 is equal to:

• 2 : 9

• 4 : 16

• 6 : 26

• 8 : 40

The picture above represents a ratio from the number os red hearts to the number of blue diamonds. This is equal to:

• 6 : 10

• 10 : 6

• 10 : 16

• 16 : 6

Using the image above, a part-to-whole ratio could be represente by:

• 5 : 16

• 6 : 10

• 16 : 10

• 3 : 5

Inside a classroom, for every 12 boys there are 8 girls. That ratio could be represented by:

• 10 : 8

• 20 : 12

• 6 : 4

• 4 : 3

The ratio of blue cards to green cards is 2 to 5. An equivalent ratio to 2 to 5 would be ​ (a)   to ​ (b)   .

• 14

• 35

• 2

• 5

• 7

• 3

• 10

• 13

Are these ratios equivalent?

• Yes

• No

Is the ratio equivalent?

• Yes

• No

Use equivalent ratios to find the unknown value

• 36

• 4

• 3

• 63

What is an equivalent ratio to the ratio of red circles to green circles?

• 21:9

• 7:10

• 20:10

• 14:8

Is the ratio equivalent?

• Yes

• No