Ratios and Constant of Proportionality

There are 10 dimes, 8 quarters, and 5 nickels? What is the ratio of dimes to nickels? (make sure you simplify your ratio)

• 10 to 5

• 5 : 10

• 1 : 2

• 2 to 1

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9
• 9 to 7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Which of the following is the correct formula for finding the constant of proportionality?

• k = x/y

• k = y/x

• y = k/x

• x = k/y

Write an equation for the proportional relationship in the table.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Tags

CCSS.7.RP.A.2C

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents
• 12 cents
• 13 cents
• 10 cents

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Hadley is driving to Colorado. She has been traveling for 4 hours, and she has driven 260 miles. Find her speed in miles per hour.

• 85
• 65
• 60
• 70

Tags

CCSS.6.RP.A.3B

Brittney bought 13 peaches for $8.84. How much was each peach?

• .68 cent
• .71 cent
• .65 cent
• .74 cent

Tags

CCSS.6.NS.B.3