Constant of Proportionality/Proportional Relationships

1. A parking lot has 3 cars and 12 trucks. Find the ratio of cars to trucks. Select ALL the true ratios.

• 3 trucks : 12 cars.

• 3 cars to 12 trucks

• 3 cars to 12 trucks

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

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.7.RP.A.1

CCSS.7.RP.A.2

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $60.00
• $63.00
• $6.30
• $62.00

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Lynnette can wash 95 cars in 5 days. How many cars does she wash in 3 days?

• 475 cars in 3 days

• 19 cars in 3 days

• 57 cars in 3 days

• 15 cars in 3 days

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the constant of proportionality?

• X $3

• X $4

• X $2

• X $9

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The constant of proportionality can also be called the _____________.

• unit rate

• ratio rate

• proportion answer

• rational number

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The constant of proportionality is also the unit rate.

• True
• False

Tags

CCSS.7.RP.A.2B

Is this table Proportional?

• Yes, because the COP is different each time.

• Yes, because the COP is always X9.

• No, because the numbers are all different.

• No, because the COP changes each time.

Tags

CCSS.7.RP.A.2