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

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number. For example, for the ratio 3:4, multiplying both terms by 2 gives 6:8.

Front

What is the ratio of boys to girls if there are 5 boys and 6 girls?

Back

The ratio of boys to girls is 5:6.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the equivalent ratio of flour to sugar?

Back

The equivalent ratio of flour to sugar is 2:3.

Front

How can you express the ratio of shaded to unshaded squares?

Back

To express the ratio of shaded to unshaded squares, count the number of shaded squares and the number of unshaded squares, then write it as a fraction or ratio.

Front

What is the total number of parts in the ratio 5:6?

Back

The total number of parts in the ratio 5:6 is 5 + 6 = 11 parts.

Front

If there are 33 students in a class with a ratio of boys to girls of 5:6, how many boys are there?

Back

There are 15 boys in the class.

Front

What is the first step to solve a problem involving equivalent ratios?

Back

The first step is to identify the known ratios and the unknown quantity you need to find.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

The car will travel 180 miles in 3 hours.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.