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.

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 if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

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 10 soccer players to 3 coaches?

Back

3:10.

Front

If there are 13 boys and 10 girls, what is the ratio of boys to girls?

Back

13:10.

Front

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

Back

2:5.

Front

How do you find the number of students per class if there are 88 students and 4 classes?

Back

Divide the total number of students by the number of classes: 88 ÷ 4 = 22 students per class.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and write them in ratio form.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls.