Multiplying Fractions with Word Problems

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?

Vicky's favorite beach towel is green and white and has a fish design. Suppose the green part of Vicky's towel covers 4/5 of the towel and the fish design is drawn on 3/4 of that. Which equation shows how much of the towel is fish design?

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.

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

Charlotte needs to buy ribbon to make daffodil bouquets for the spring flower sale. Each bouquet will contain 6 daffodils. Charlotte will need 1/3 yard of ribbon to make each bouquet. If Charlotte has 360 daffodils, how many yards of ribbon should she buy to make as many bouquets as possible?

• 20 yards

• 30 yards

• 60 yards

• 180 yards

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?

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?

My chicken noodle soup recipe calls for 1 3/4 cups of chicken broth. If I want to triple the recipe, how many cups of chicken broth will I need?

• 5 1/4 cups

• 6 1/4 cups

• 3 3/4 cups

• 4 3/4 cups