Proportions and Conversions

A basketball team has 5 forwards, 2 centers and 8 guards. Which is the ratio compares the number of guards to forwards

• 2:8

• 5:8

• 8:5

• 8:2

Which relationship describes 2:5

• The ratio of desks to chairs if there are 5 chairs and 2 desk
• The ratio of boys to girls if there are 2 girls and 5 boys
• The ratio of girls to boys if ther are 2 girls and 5 boys
• The ratio of chairs to desk if there are 5 chairs and 2 desk

1:2  IS equivalent to 2:3

• Yes
• No

How many ways can you write a ratio

• 1
• 3
• 2
• 4

4: 20 is equivalent to 1:5

• Yes
• No

In the computer lab, there are 1 PC for every 5 Mac computers. If the computer lab has a total of 24 computers, how many are Mac?

• 20
• 6
• 5
• 10

Choose the ratio that compares dogs to cats when you have  12 dogs and 6 cats

• 12:6
• 6:12
• 2:1
• 1:2

Solve the proportion:

• 4
• 8
• 14
• 10

Solve the proportion.

• 1
• 3
• 6
• 5

Do the ratios form a proportion?

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