Unit 2 Test (7.RP.A.1,2&3)

What is a Ratio?

• A ratio comparing a quantity to 1 of something like 1 hour, or 1 minute.

• Comparison between two value

• Another name for Unit Rate

• How much a person charges for tutoring in Math class

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a Unit Rate?

• A ratio comparing a quantity to 1 of something like 1 hour, or 1 minute.

• When Ratios are equivalent to each other.

• The distance a number is from zero

• How much a person charges for tutoring in Math class

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If a dog can eat 1/3 of a bag of food in 1/2 week, how many bags of food can the dog eat in 1 week?

• 1/6
• 2/3
• 3/2
• 5/6

Tags

CCSS.7.RP.A.1

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

What is a Proportional Relationship?

• A deal at the grocery store!

• When Ratios are equivalent to each other.

• A ratio comparing a quantity to 1 of something like 1 hour, or 1 minute.

• The distance a number is from zero

Tags

CCSS.7.RP.A.2D

What is the Constant of Proportionality? (In Class I called it a Constant)

• A ratio comparing a quantity to 1 of something like 1 hour, or 1 minute.

• When Ratios are equivalent to each other.

• The unit rate of a proportional relationship

• A special ratio that deals with money

Tags

CCSS.7.RP.A.2B

Does this table represent a proportional relationship?

• Yes

• No

Does this graph represent a proportional relationship?

• Yes, because it passes through the origin

• No, because it does NOT pass through the origin

• No, because the line is green

• Yes, because the line is straight

Which equations represent a proportional relationship?

• 5x=y

• $\frac{x}{y}=4$

• $m=\frac{1}{4}n$

• $34=5x$