Ratio Proportion

What are tape diagrams?

• Visual models that use circles to represent the parts of a ratio proportionally

• Visual models that use squares to represent the parts of a ratio proportionally

• Visual models that use triangles to represent the parts of a ratio proportionally

• Visual models that use rectangles to represent the parts of a ratio proportionally

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

On a spinner, 6 spaces are blue and 4 are green. What is the ratio of green to blue spaces?

• 4:6

• 6:4

• 4:10

• 10:4

Which represents the relationship of oranges to fruit?

• 2:6

• 2:4

• 4:6

• 4:2

88 students for 4 classes
How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

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

A comparison of two numbers that can be written in various ways is: 

• Ratio

• Proportion

• Scale Factor

• Rate

An equation that shows two ratios are equivalent: 

• Ratio

• Proportion

• Scale Factor

• Rate