Intro to Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities.

Front

What is the ratio of seals to animals if there are 3 seals and 8 animals?

Back

3 : 8

Front

Which of the following is NOT a ratio? 1) 12 girls to 8 boys 2) 5 miles 3) 7 cookies/15 desserts 4) 3 trumpet players: 8 tuba players

Back

5 miles

Front

What is a real-life example of a ratio? 1) 12 noodles 2) 4 meatballs : 1 cup of sauce 3) 1 jar of sauce 4) 15 desserts

Back

4 meatballs : 1 cup of sauce

Front

What is the ratio of boys to girls if there are 43 girls and 25 boys?

Back

25 : 43

Front

How can ratios be expressed?

Back

Ratios can be expressed as fractions, with a colon (:) or with the word 'to'.

Front

If the ratio of cats to dogs is 2:3, how many dogs are there if there are 10 cats?

Back

15 dogs.

Front

What does it mean if a ratio is simplified?

Back

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

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

Front

In a class of 30 students, if 18 are girls, what is the ratio of boys to girls?

Back

12 : 18 or simplified to 2 : 3.