Ratios

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 can a ratio be represented?

Back

A ratio can be represented in several ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).

Front

If the ratio of A to B is 3:4, what does this mean?

Back

This means that for every 3 parts of A, there are 4 parts of B.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between quantities, even if the numbers are different, such as 1:2 and 2:4.

Front

How do 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

What is the ratio of 2 blue marbles to 5 yellow marbles?

Back

The ratio of blue to yellow marbles is 2:5.

Front

If there are 30 tenants and the ratio of tenants to cars is 3:5, how many cars are there?

Back

There are 50 cars.

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

Front

What is the simplest form of the ratio 8:12?

Back

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

Front

If the ratio of triangles to squares is 4:3, how many squares are there if there are 12 triangles?

Back

If there are 12 triangles, there are 9 squares.