Ratios and Proportions Big Ideas

Write a ratio in simplest form:
12 CD's to 4 tapes

• 3/1

• 4/1

• 12/4

• 6/1

Write a ratio in simplest form:
8 apples to 24 oranges

• 3/24

• 3/1

• 1/3

• 1/4

Write a ratio in simplest form:
22 cats to 33 dogs

• 22/33

• 3/2

• 1/2

• 2/3

Is this proportion equal?
9/12  27/36

• =

• ≠

Is this proportion equal?
1/3  5/6

• =

• ≠

Solve:
8/24  =  2/n

• 8

• 6

• 48

• 4

Solve:
48/10  =  n/5

• 24

• 10

• 5

• 15

10 students want hotdogs for lunch and 26 want hamburgers.  What is the ratio of the number of students who want hot dogs to the number of students who want hamburgers?

• 26:10

• 10:26

• 10:36

• 25:36

What is the ratio of female teachers to male teachers?

• 5:13

• 13:5

• 18:10

• 26:5

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29