Proportion and Unit Rate Mastery

What is the first step in solving proportions using one-step equations?

• Adding the ratios together

• Dividing the numerator by the denominator

• Cross multiplying the ratios

• Identifying the variables

Tags

CCSS.7.RP.A.2C

How do you calculate the unit rate for coffee if the ratio given is 14 to 3?

• $5.00 per cup

• $4.67 per cup

• $2.80 per cup

• $3.14 per cup

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the unit rate of driving if you travel 900 miles in 15 hours?

• 65 miles per hour

• 55 miles per hour

• 75 miles per hour

• 60 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the unit rate if you work 20 hours for $220?

• $11 per hour

• $10 per hour

• $15 per hour

• $20 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is the ratio 5:18 proportional to 4:20?

• No

• Yes

• Cannot be determined

• Only with additional information

Tags

CCSS.7.RP.A.2A

What is the result of cross multiplying the ratios 1/2 and 1.5/3?

• Both products are 4.5

• Both products are 2

• Both products are 1.5

• Both products are 3

How do you solve for x in the proportion x/10 = 8/20?

• x = 4

• x = 10

• x = 8

• x = 20

Tags

CCSS.7.RP.A.2B

What is the value of x when 6/15 = x/10?

• x = 4

• x = 6

• x = 10

• x = 15

Tags

CCSS.7.RP.A.2B

How do you verify if your solution for x in a proportion is correct?

• None of the above

• Substitute x back into the original proportion

• Multiply x by 10

• Add x to the original proportion

Tags

CCSS.7.EE.B.3

What operation is used to isolate x when solving proportions?

• Subtraction

• Multiplication

• Division

• Addition

Tags

CCSS.7.RP.A.2C