Ratios Models

The double number line shows that a water park allows 18 people to go down their giant water slide in 3 minutes. How long would it take 12 people to go down the slide?

• 1 minute

• 2 minutes

• 3 minutes

• No way to find out.

The table shows how fast Amy can walk on the treadmill. Based on this table, how many feet could Amy walk in 21 seconds?

• 48 feet

• 60 feet

• 72 feet

• 84 feet

2:3=___:18

• 6

• 12

• 3

• 2

Which number will complete the equivalent ratio for 4:12? 20:_____

• 60

• 12

• 48

• 2

What is a ratio table used for?

• To organize and find equivalent ratios; Represents the relationships between two or more quantities

• To organize and find different ratios; Represents the relationships between two or more quantities

• To organize and find opposite ratios; Represents the relationships between two or more quantities

• To organize and find no value ratios; Represents the relationships between two or more quantities

What is a ratio?

• A comparison of two quantities by addition

• A comparison of two quantities by division

• A comparison of two quantities by multiplication

• A comparison of two quantities by subtraction

What is a unit rate (unit price)?

• A ratio between 2 different units, where the second term is expressed as a quantity of 10

• A ratio between 2 different units, where the second term is expressed as a quantity of 100

• A ratio between 2 different units, where the second term is expressed as a quantity of 1000

• A ratio between 2 different units, where the second term is expressed as a quantity of 1

What is a proportion?

• An equation that shows that two ratios are different

• An equation that shows that two ratios are equal

• An equation that shows that two ratios are opposite

• An equation that shows that two ratios have no value

What are the different types of ratio relationships?

• Part-to-Part; Whole-to-Part; Part-to-Whole

• Part-to-Part; Whole-to-Whole; Part-to-Whole

• Part-to-Part; Part-to-Whole; Whole-to-Whole

• Whole-to-Part; Whole-to-Whole; Part-to-Whole

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