Ratios Exit Ticket

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 divisor (GCD).

Front

What does it mean for a ratio to be in simplest form?

Back

A ratio is in simplest form when the two numbers have no common factors other than 1.

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.

Front

How can you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 28 girls?

Back

There are 21 boys. (3/4 = x/28, so x = 21.)

Front

What is the ratio of 12 to 16 in simplest form?

Back

The simplest form of the ratio 12 to 16 is 3:4.

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the total number of parts in the ratio 2:3?

Back

The total number of parts in the ratio 2:3 is 5 (2 + 3).

Front

If a recipe calls for a ratio of 1:2 for sugar to flour, how much sugar is needed for 4 cups of flour?

Back

You need 2 cups of sugar (1 part sugar for every 2 parts flour).