Ratios and Proportions Set Up

If a class has 14 redheads, 8 brunettes, and 6 blondes- What is the REDUCED ratio of blondes to brunettes?

• 3:4

• 8:6

• 6:8

• 4:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A proportion is two ratios that are ________.

• Equal

• variable

• unequal

• matching

Tags

CCSS.7.RP.A.2A

To solve a proportion, you

• cross simpify

• cross multiply

• cross divide

Tags

CCSS.7.RP.A.2A

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Tags

CCSS.7.RP.A.2A

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Tags

CCSS.7.RP.A.2A

Which is correctly set up to represent this story? "4 out of 5 students is Mrs. O'Neall's 7th grade class have a cell phone. If there are 365 total students in the 7th grade, how many would you expect to have a cell phone?"

Tags

CCSS.7.RP.A.2C

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Tags

CCSS.7.RP.A.3

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 Weeks

• 24-ounce bottle

• 10.6 Weeks

• 10.6-ounce bottle

Tags

CCSS.6.RP.A.3B

Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find c, the amount it will cost Mrs. Faber to buy 180 pens?

Tags

CCSS.7.RP.A.2C

Set up the following proportion: It cost Jericho and his 3 friends $20 to get into the skating rink. What proportion can be used to find c, the amount it will cost Jericho’s parents if they have Jericho’s birthday party at the skating rink and pay for Jericho and all 24 of his classmates?

Tags

CCSS.7.RP.A.2C