Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are their prices equivalent?

Back

Yes, both paid $0.50 per muffin, so the ratios are equivalent.

Front

What is the ratio of boys to girls in a classroom with 13 boys and 10 girls?

Back

The ratio of boys to girls is 13 to 10.

Front

How do you find the ratio of a part to the whole?

Back

To find the ratio of a part to the whole, divide the part by the total amount and express it in simplest form.

Front

In a fruit bowl with 4 apples, 2 bananas, and 5 pears, what is the ratio of pears to all fruit?

Back

The ratio of pears to all fruit is 5:11.

Front

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

Back

The ratio of red to yellow marbles is 2 to 5.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of coaches to players if there are 10 players and 3 coaches?

Back

The ratio of coaches to players is 3 to 10.