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, 1:2 and 2:4 are equivalent ratios.

Front

How do you determine if two ratios are equivalent?

Back

Two ratios are equivalent if you can simplify them to the same fraction or if you can cross-multiply and get the same product.

Front

What is the ratio of 31 green beans to 13 peas?

Back

31:13

Front

If the ratio of chocolate shakes to vanilla shakes is 5:4 and there are 20 chocolate shakes, how many vanilla shakes are there?

Back

16 vanilla shakes.

Front

What is the ratio of red paint to yellow paint if there are 6 teaspoons of red paint and 10 teaspoons of yellow paint?

Back

The ratio is 6:10, which simplifies to 3:5.

Front

What does it mean if a ratio is expressed as 7/4?

Back

It means for every 7 parts of one quantity, there are 4 parts of another quantity.

Front

How can you express the ratio of 3 red circles to 4 blue stars?

Back

The ratio can be expressed as 3:4.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how many cups of sugar are needed for 4 cups of flour?

Back

6 cups of sugar are needed.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first number is the numerator and the second number is the denominator.

Front

If the ratio of boys to girls in a class is 2:3 and there are 10 boys, how many girls are there?

Back

There are 15 girls.