#Ratios Got this!

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6 black pieces. The ratio of black to red is 3:5, so each part is 16÷8=2. So, there are 3*2=6 black pieces and 5*2=10 red pieces.

During a checkers game, there are 16 pieces left. The ratio of black to red is 3:5. How many black pieces are there on the board? Explain how you found your answer.

14:35 (14 out of 35 stamps have celebrities on them)

The table shows the number of stamps in a new stamp collection. Use ratio language to compare the number of celebrity stamps to the total number of stamps.

There are 8 more girls than boys. The ratio of boys to girls is 5:7, so each part is 48÷12=4. So, there are 5*4=20 boys and 7*4=28 girls.

There are 48 students in a school play. The ratio of boys to girls is 5:7. How many more girls than boys are in the play? Explain how you found your answer.

12:16

Twelve students of the 28 students in a class have a dog. What is the ratio of students who have a dog to students who do not?

A ratio is a comparison of two quantities. Ratios can be part-to-part, part-to-whole, or whole-to-part.

What is the definition of a ratio?

8:3

Write a ratio to compare the number of comedies to dramas.

5:7

Write the ratio of calculators to protractors.

5:19 (5 out of 19 students favor peanuts)

Write the ratio to compare the number of students who favor peanuts to the total number of students.

2:5 (For every 2 frogs, there are 5 turtles)

Write the ratio. Explain what the ratio means.

2:6 (For every 2 calculators, there are 6 pencils)

Write the ratio. Explain what the ratio means.

3:7 (For every 3 shirts, there are 7 pants)

Write the ratio. Explain what the ratio means.

6:4 (For every 6 basketballs, there are 4 soccer balls)

Write the ratio. Explain what the ratio means.


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