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

Give an example of a ratio in real life.

Back

An example of a ratio in real life is 4 meatballs to 1 cup of sauce.

Front

What are equivalent ratios?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

Front

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

Back

An equivalent ratio could be 6:8.

Front

How do you find an unknown value using equivalent ratios?

Back

You can set up a proportion and cross-multiply to find the unknown value.

Front

What is the equivalent ratio of 15 for 5 pairs of socks?

Back

The equivalent ratio is 30 for 10 pairs of socks.

Front

Complete the ratio: 10 : ? = 2 : 5

Back

The answer is 25.

Front

What is the ratio of 12 to 36 in simplest form?

Back

The simplest form is 1:3.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

Is the ratio 15:25 equivalent to 3:5?

Back

Yes, 15:25 simplifies to 3:5.