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

Are the ratios 3:4 and 6:12 equivalent?

Back

No, the ratios 3:4 and 6:12 are not equivalent.

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are these ratios equivalent?

Back

Yes, the ratios are equivalent.

Front

Find one equivalent ratio for 15:30 using division.

Back

5:10 is an equivalent ratio for 15:30.

Front

Which ratio is equivalent to 12:20?

Back

3:5 is equivalent to 12:20.

Front

What is the ratio of boys to total students if there are 8 boys and 14 girls in a class?

Back

The ratio of boys to total students is 8:22.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction or if their cross products are equal.

Front

What is the cross product of the ratios 2:3 and 4:6?

Back

The cross product is 2*6 and 3*4, which both equal 12, indicating the ratios are equivalent.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, what is an equivalent ratio using 4 cups of flour?

Back

An equivalent ratio would be 4 cups of flour to 6 cups of sugar.

Front

What is the simplest form of the ratio 10:15?

Back

The simplest form of the ratio 10:15 is 2:3.