Ratios and Ratio Tables

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 express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

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

If 1 quart of water requires 2 tablets of iodine, how many tablets are needed for 4 quarts?

Back

8 tablets.

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

5 to 3.

Front

How do you create a ratio table?

Back

A ratio table lists pairs of numbers that form equivalent ratios, showing how one quantity changes in relation to another.

Front

What is the ratio of 6 dimes to 18 dimes expressed as a fraction?

Back

1/3.

Front

What is the relationship between ratios and fractions?

Back

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

Front

How can you find an equivalent ratio to 5 to 4?

Back

Multiply both terms of the ratio by the same non-zero number, e.g., 5*5 to 4*5 gives 25 to 20.

Front

What does it mean to complete a ratio table?

Back

Completing a ratio table means filling in missing values that maintain the same ratio between the quantities.