Proportions

Which ratio below is proportional to the ratio  5/6?

• 6/5
• 50/75
• 25/30
• 12/10

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

• 28/16
• 7/4
• 16/28
• 12/16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

Tags

CCSS.7.RP.A.2A

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

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.
Dogs  |                                              
--------    ---------- =  ------------
Cats   |                                          

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Solve the Proportion:
X/9 = 9/27

• 9
• 3
• 81
• 245

Tags

CCSS.7.RP.A.2B

How do you figure out if 2 ratios are equivalent? 

• Cross Multiply
• Cross multiply, then divide
• Add them together

Is this graph proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

Is the graph proportional or non proportional?

• proportional
• non proportional