Multiplying Fraction Word Problems

Sarah and Jane were discussing the following ingredients. Sarah wanted to make 3/4 of the recipe with the ingredients. Jane wanted to make 3 recipes with the ingredients. Which statement represents how Sarah and Jane need to create their recipe?

• Sarah does not have to do anything to the receipe, but Jane needs to multiply her ingredients by 3.

Mrs. Smith is making cookies for 5th grade. The recipe calls for 3/4 cup of sugar for each batch. It also calls for 4/5 cups of flour. She is making 8 batches and needs to know how much sugar she will need. Which expression represents the correct equation to solve the problem of how much sugar she needs for the cookies?

You have 3/4 of a bag of dog food. You have one week you have to feed your dog the bag of food. How much do you feed him each day?

• 3/28

• 21/4

• 28/3

• 7/3

Miss Marsh was baking cookies and wanted to triple the batch. One batch calls for 2/3 cup of sugar. How many cups of sugar will she use for all three batches?

• 1 1/3 cups

• 2/9 cup

• 3 cups

• 2 cups

Allie has 2/3 of a candy bar and wants to split it among two people. How much of the candy bar do they each get?

• 1/3

• 1 1/3

• 1/6

• 1/5

Avery was making brownies. The recipe made 24 brownies but she only wanted to make 12. The recipe called for 1 1/2 cups milk. How much milk will she need to make 12 brownies?

• 1 1/2 cups

• 3/4 cup

• 1/2 cups

• 3/8 cups

Tamara needs tiles to make a border for her bathroom wall. The border will be 9 feet long and 1/3 foot wide. Each tile measures 1/3 foot by 1/3 foot. Each box of tiles contains 6 tiles. How many boxes of tiles does Tamara need?

Mr. Martin had 6 gallons of paint. He painted 12 doors. How many benches can he paint with the paint that is left?

Ms. James has a 6-square-foot bulletin board and a 12 square-foot bulletin board. She wants to cover both boards with index cards without gaps or overlaps. Each index card has an area of 1/4 square foot. How many index cards does she need?

One batch of fruit punch contains 1/4 quart grape juice and 1/2 quart apple juice. Colby makes 9 batches of fruit punch. Which of the following questions does NOT need to be answered to find how many cups of fruit punch Colby made?

• How much grape juice did he use for

  9 batches?

• How much apple juice did he use for

  9 batches?

• How many 1/4-quarts and 1/2-quarts

  are in 9 quarts?

• How many cups are in 1 quart?