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., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Front

What does it mean when a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 red apples to 3 green apples.

Front

If there are 3 dogs and 2 cats, what is the cat to dog ratio?

Back

2 to 3, or 2:3.

Front

When are ratios useful?

Back

Ratios are useful when you want to compare a part of something to a whole.

Front

What is the ratio of blue to orange if there are 2 blue and 3 orange?

Back

2 to 3.

Front

In a recipe, if you use 3 cups of flour and 1 cup of sugar, what is the ratio of flour to sugar?

Back

3 to 1.

Front

What is the ratio of rice krispies to butter if you use 6 cups of Rice Krispies and 3 tablespoons of butter?

Back

2 to 1.

Front

If a class has 10 boys and 15 girls, what is the ratio of boys to girls?

Back

2 to 3.