Constant of Proportionality or Unit Rate

y=kx.  What does the k represent?

• constant of proportionality
• multiplier
• scale factor
• all of these are correct

Tags

CCSS.7.RP.A.2B

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Tags

CCSS.7.RP.A.2A

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional

Tags

CCSS.8.EE.B.5

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

Raven is famous for her chocolate chip cookies. She adds 3 cups of sugar for every 5 ounces of chocolate chips. What is the unit rate of chocolate chips to sugar in ounces per cup?

• 1.67 oz./cup
• .6 oz./cup
• 5 oz./cup
• 3 oz./cup

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

The store was selling 4 chocolate bars for $2.00. How much would one chocolate bar cost?

• $1.00 per bar

• $2.00 per bar

• $0.50 per bar

• $0.25 per bar

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

Ellie made $45 babysitting for 6 hours. How much does she make per hour?

• $45 per hour

• $7.50 per hour

• $2.70 per hour

• $6.70 per hour

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

The cost of 4 golf balls is $10. How much would it cost for 20 golf balls?

• $10 for 20 golf balls

• $20 or 20 golf balls

• $40 or 20 golf balls

• $50 or 20 golf balls

Tags

CCSS.6.RP.A.3B

A factory makes 24 bicycles in 3 hours. How many can they make per hour?

• 8 bicycles in 1 hour

• 2 bicycles in 1 hour

• 4 bicycles in 1 hour

• 6 bicycles in 1 hour

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

8.  Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza
• $82.50 per pizza
• $5.50 per pizza
• $6.50 per pizza

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3