Ratios and equivalent 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 do you write a ratio?

Back

Ratios can be written in three ways: using the word 'to' (e.g., 4 to 3), using a colon (e.g., 4:3), or as a fraction (e.g., 4/3).

Front

What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that express the same relationship between quantities, such as 1:2 and 2:4.

Front

Find one equivalent ratio for 4:6.

Back

2:3 is an equivalent ratio for 4:6.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 to 3.

Front

If there are 3 stars and 4 squares, what is the ratio of stars to squares?

Back

The ratio of stars to squares is 3 to 4.

Front

How can you simplify the ratio 10:15?

Back

You can simplify the ratio 10:15 to 2:3 by dividing both numbers by 5.

Front

What is the ratio of green marbles to yellow marbles if there are 3 green marbles and 1 yellow marble?

Back

The ratio of green marbles to yellow marbles is 3 to 1.

Front

Find one equivalent ratio for 5:8.

Back

15:24 is an equivalent ratio for 5:8.

Front

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

Back

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