Unit Rate Proportions

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

• 6:5
• 5:6
• 6:11
• 6:11

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve for the unknown in the equivalent ratios.
3/4 = 9/?

• 8
• 10
• 4
• 12

Tags

CCSS.6.RP.A.3A

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18
• 12
• 4
• 15

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

If a pair of shoes costs $40 and I have a coupon for 1/4 off, how much would the shoes cost?

• $22
• $30
• $10
• $40

A used car salesperson receives a commission of 𝟏/𝟏𝟐 of the sales price of the car for each car he sells. What would the sales commission be on a car that sold for $𝟐𝟏, 𝟗𝟗𝟗?

• $1,833.25
• $1,245.35
• $1,111.11
• $3,645.46

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

• y=kx
• k=x/y
• y=rt
• k=y/x

After I have my constant of proportionality (k), what is the equation?

• k=y/x
• y=kx
• k=x/y
• k=yx

Is this table propotional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

Is this graph proportional?

• Yes
• No