5.1 Super Simple Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows 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., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

7 to 5

Front

What is the ratio of girls to all students if there are 10 girls and 12 boys?

Back

10:22

Front

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

Back

3 : 10

Front

If there are 3 seals and 5 turtles, what is the ratio of seals to turtles?

Back

3 to 5

Front

What is the ratio of red circles to blue stars if there are 3 red circles and 4 blue stars?

Back

3:4

Front

How do you simplify a ratio?

Back

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

Front

What does it mean if a ratio is expressed as 1:2?

Back

It means for every 1 of the first quantity, there are 2 of the second quantity.

Front

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

Back

2:3