Proportions Warm Up

On last week’s maths test Carol had 21 correct out of 25 problems. What percent grade did she receive?

• 42%
• 80%
• 84%
• 92%

A job pays $56 for 8 hours of work.  How much money does the job pay per hour?

• $7 per hour
• $8 per hour
• $6 per hour
• $7.50 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10

Tags

CCSS.6.RP.A.3B

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Which is the better deal?
Doritos
$4.39 for 11 oz
OR
Cheetos
$2.24 for 9 oz

• Doritos
• Cheetos

What is the Constant of Proportionality?

• k=46
• k=92
• k=0.2
• not proportional