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

What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that represent the same relationship between numbers, even if the numbers themselves are different.

Front

How do you find equivalent ratios using multiplication?

Back

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

Front

How do you find equivalent ratios using division?

Back

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

Front

If the ratio of cats to dogs is 3:4, what is an equivalent ratio?

Back

An equivalent ratio is 6:8 (by multiplying both terms by 2).

Front

In a recipe, if the ratio of sugar to flour is 1:4, how much sugar is needed for 8 cups of flour?

Back

2 cups of sugar (since 1:4 means for every 4 cups of flour, you need 1 cup of sugar).

Front

What is the ratio of 12 apples to 16 oranges?

Back

The ratio is 3:4 (by dividing both terms by 4).

Front

If a car travels 60 miles in 1 hour, what is the ratio of miles to hours?

Back

The ratio is 60:1.

Front

How can you express the ratio of 5 to 10 in simplest form?

Back

The simplest form is 1:2 (by dividing both terms by 5).

Front

What is the ratio of 4 meatballs to 1 cup of sauce?

Back

The ratio is 4:1.