Multiply Fractions
Multiplying Mixed numbers:
A baker makes 2 1/4 trays of cookies each hour. She bakes for 6 hours.
How many trays of cookies does she make in total?
12 6/4
Convert mixed number to an improper fraction
5 3/5
28/5
A property owner has 5 acres of land. If 3/5 of the land is forest, how many acres are not forest?
2
Set up an area model to show
3/4 x 1/2
A recipe for cookies calls for 2/3 cup of sugar. If Mrs. Jensen only wants to make 1/2 of the recipe, how much sugar should she use?
2/6 or 1/3
Multiplying Fractions and Mixed numbers:
3 x 2 1/2
7 1/2
Fraction to mixed number
9/5
1 4/5
A card measures 1 2/4 inches by 2 1/2 inches. What is the area of the card in square inches?
5
1/8 x 1/2
1/16
Mr. Smith has a garden that is 5/6 of an acre. He decides to plant tomatoes on 3/5 of his garden space. What fraction of an acre is planted with tomatoes?
15/30 or 1/2
Multiplying Mixed numbers
3/5 x 5
15/5 or 3
improper to mixed
21/5
4 1/2
There were 12 flowers in the vase. 3/4 of the flowers were tulips. How many tulips were in the vase?
9
2 1/4 x 2
4 2/4 or 4 1/2
A muffin recipe requires 3/4 cups of oats. If you only want to make half of the recipe, how many cups of oats do you need?
3/8
Multiplying Fractions and Mixed numbers:
2 1/4 x 2 1/2
5 5/8
improper to mixed
11/2
5 1/2
Ms. Fisch lives 4/5 miles from the park. She has already walked 3/4 of the way to the park. How much farther does Ms. Fisch have to walk?
8/20 , 4/10 or 2/5
8 x 1/3
2 2/3
A juice box contains 3/4 cup of juice. Emily drinks 5 of these juice boxes over the weekend. How many total cups of juice did Emily drink?
15/4 or 3 3/4
Multiplying Mixed numbers:
1 1/3 x 1 1/2
2
Mixed to improper:
5 2/3
17/3
A class of 30 students went on a field trip. 2/3 of the students brought a lunch from home. Of those who brought lunch, 1/4 included an apple. How many students brought an apple?
5
2 1/4 x 5
11 1/4
Molly is sewing a rug for her doll house. The material she cut is 3 1/2 inches long and 2 3/4 inches wide. What is the area of Molly’s rug in square inches?
9 5/8