Ratios/Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What does a ratio of 3:4 mean?

Back

A ratio of 3:4 means that for every 3 units of the first quantity, there are 4 units of the second quantity.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

If the ratio of red circles to blue stars is 3:4, how many blue stars are there if there are 9 red circles?

Back

There are 12 blue stars.

Front

What is the missing number in the ratio 2:5 if the first term is 8?

Back

The missing number is 20.

Front

How do you find equivalent ratios?

Back

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

Front

What is the ratio of triangles to squares if there are 8 triangles and 6 squares?

Back

The ratio is 4:3.

Front

How can you express the ratio 7:4 as a fraction?

Back

The ratio 7:4 can be expressed as the fraction 7/4.

Front

What is the first step in completing a ratio table?

Back

Identify the relationship between the quantities and fill in the known values.