Ratios in Proportional Relationships

Solve the proportion:

• 15

• 5

• 10

• 12

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

Solve for x 

• x = 15

• x = 11

• x = 1/11

• x = 20

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

Are the two ratios proportional?

• YES

• NO

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

The table shows the amount of flour used to make waffles.   What is the unit rate for the amount of flour per waffle? 

• 8 cups per waffle

• ⅛ cups per waffle

• ¼ cups per waffle

• 9 ¼ cups per waffle

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12