Math Solving Proportions

Determine whether the ratios are equivalent.

• yes

• no

• maybe

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes

• 39 homes

• 73 homes 

• 40 homes

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

• $30

• $20

• $60

• $10

The ratio of boys to girls is 3 to 2. If there are 12 boys, how many girls are there?

• 2

• 4

• 6

• 8

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

Complete the ratio table.

• 2

• 4

• 0

• 1

Complete the ratio table.

• 6 & 15

• 4 & 12

• 3 & 8

• 6 & 18

Use equivalent ratios to find the unknown value.

• 3

• 5

• 30

• 35

What are three ways to write a ratio for the amount of dogs compared to the number of cats.

• 7:11

• 11:7

• 11 to 7

• 11/7

• 12 to 7