Ratio Review

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

Front

If a recipe calls for a ratio of 2:3 for sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar (because 2/3 of 6 is 4).

Front

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

Back

The simplest form of the ratio 8:12 is 2:3.

Front

If there are 25 dogs in a shelter and the ratio of dogs to cats is 5:3, how many cats are there?

Back

15 cats (using the proportion 5/3 = 25/c).

Front

How many free suckers does Billy get if he buys 14 suckers with a deal of 1 free for every 2 bought?

Back

7 free suckers.

Front

What is the relationship between ratios and fractions?

Back

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

Front

How do you find a missing value in a proportion?

Back

Cross-multiply the known values and solve for the unknown value.

Front

What is the ratio of 4 to 8 in simplest form?

Back

The simplest form of the ratio 4:8 is 1:2.