Simple Ratio Word Problems

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 find the number of girls if you know the total number of students and the number of boys?

Back

Subtract the number of boys from the total number of students.

Front

What is the ratio of 5 marbles to 3 rocks?

Back

5 to 3.

Front

How do you express the ratio of boys to all students in a group?

Back

Divide the number of boys by the total number of students.

Front

What is the ratio of girls to boys if there are 2 girls and 4 boys?

Back

2:4 or simplified to 1:2.

Front

If you have 20 Pokémon cards and 10 are legendary, how many are regular?

Back

10 regular Pokémon cards.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its smallest form by dividing both sides by their greatest common factor.

Front

How do you write a ratio in fraction form?

Back

A ratio can be written as a fraction by placing the first quantity over the second quantity.

Front

What is the total number of students if there are 13 boys and 7 girls?

Back

20 students.

Front

If the ratio of boys to girls is 3 to 2, how many girls are there if there are 9 boys?

Back

6 girls.