Ratio Relationships

Mary lost 3 out of 5 games. What is the ratio of games Mary lost to the games she won?

• 3/5

• 2/5

• 3/2

• 5/2

What are the three different ways you can write a ratio?

• Fraction, comma, words

• Fraction, colon, words

• Colon, words, pictures

• Picture, fraction, comma

Andrew has 2 cats and 9 fish. He writes the ratio 2:11. What type of ratio did he write?

• Part-to-part

• Unit rate

• Part-to-whole

• Whole-to-part

Describe the ratio of purple circles to red circles.

• For every 5 red circles, there are 6 purple circles.

• For every 6 purple circles, there are 11 total circles.

• For every 5 red circles, there are 11 total circles.

• For every 6 purple circles, there are 5 red circles.

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

A ratio is...

• the difference between two numbers.

• a comparison of two numbers by division.

• a comparison of two numbers by multiplication.

• the sum of two numbers.

Beth went to a petting zoo with 23 animals. 9 were goats, 6 were sheep, and the rest were dogs. What is the ratio of dogs to goats?

• 9 to 6

• 8 to 9

• 9 to 23

• 6 to 9

What word can be used when writing a ratio?

• a

• be

• to

• and

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

Write the ratio as a fraction in simplest form.
15 girls to 6 boys    

• 5 to 2

• 5/3

• 3 to 5

• 5/2