Equivalent Ratios

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 2:3 and 4:6 are equivalent ratios.

Front

Is 10:15 an example of an equivalent ratio to 2:3?

Back

True

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

If there are 5 apples and 10 oranges, what is the ratio of apples to oranges?

Back

1:2

Front

What is the ratio of 8 to 12 in simplest form?

Back

2:3

Front

If the ratio of boys to girls in a class is 3:4, how many girls are there if there are 12 boys?

Back

16 girls.

Front

What is the ratio of 20 to 5?

Back

4:1

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

What is the relationship between equivalent ratios and multiplication?

Back

Equivalent ratios can be found by multiplying or dividing both terms of the ratio by the same number.

Front

If the ratio of cats to dogs is 7:3, how many dogs are there if there are 21 cats?

Back

9 dogs.