Ratios & Proportional Relationships

What describes the relationship between two quantities?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is used to identify and represent proportional relationships?

• Pythagorean theorem

• Logarithms

• Unit rates

• Quadratic equations

Tags

CCSS.7.RP.A.2B

What is a unit rate?

• A ratio that compares two similar quantities

• A ratio that compares a quantity to zero

• A ratio that compares a quantity to one unit of another quantity

• A ratio that compares two different quantities

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How is a percent expressed as a ratio?

• Per 100

• Per 10

• Per 1000

• Per 1

Which of the following is an example of a percent problem?

• Calculating the slope of a line

• Discounts

• Finding the area of a circle

• Solving for x in an equation

Tags

CCSS.6.RP.A.3C

Imani compared the number of fluid ounces per bottle of sunscreen to the cost of four different brands of sunscreen. The information she gathered is shown in the table. Based on the data in the table, brand ​ (a)   of sunscreen has the greatest cost per fluid ounce.

• x
• w
• y
• z

Tags

CCSS.6.RP.A.3B

A recipe calls for 3/4 cup of brown sugar for every 3 eggs. What is the unit rate of eggs per cup?  (a)  

• 1 cup/4 eggs
• 1 cup/3 eggs
• 3 eggs/1 cup
• 4 eggs/1 cup

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The graph shows the number of baseball cards Jimmy had in his collection on May 1 and on June 1. What was the percent increase in the number of cards from May 1 to June 1?

​ (a)  

• 25%
• 20%
• 21%
• 30%

Tags

CCSS.6.RP.A.3C

What is the ratio of cats to dogs?

• 2:3

• 3:2

• 2:2

• 3:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the scale factor from shape A to shape B?

• 1

• 2

• 3

• 4

Tags

CCSS.7.G.A.1