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 find an equivalent ratio using multiplication?

Back

To find an equivalent ratio using multiplication, multiply both terms of the original ratio by the same non-zero number. For example, for the ratio 5:8, multiplying both by 3 gives 15:24.

Front

How do you find an equivalent ratio using division?

Back

To find an equivalent ratio using division, divide both terms of the original ratio by the same non-zero number. For example, for the ratio 15:30, dividing both by 5 gives 3:6.

Front

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

Back

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

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, what is the cost per muffin?

Back

The cost per muffin is $0.50.

Front

If Mrs. Kloske paid $9 for 18 muffins, what is the cost per muffin?

Back

The cost per muffin is $0.50.

Front

What is the relationship between the ratios 15:30 and 5:10?

Back

The ratios 15:30 and 5:10 are equivalent because both simplify to 1:2.

Front

What is the first step to determine if two ratios are equivalent?

Back

The first step is to simplify both ratios to their lowest terms and compare them.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, often expressed in the form 'a:b'.