Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 9 Practice 2 Real-World Problems: Two-step Problems with Multiplication to score better marks in the exam.
Math in Focus Grade 3 Chapter 9 Practice 2 Answer Key Real-World Problems: Two-step Problems with Multiplication
Solve. Draw bar models to help you.
Example
6 boys and 4 girls are in the chorus.
Each chorus member has 8 concert tickets to sell.
a. How many members are in the chorus?
b. How many concert tickets do they have in all?
Solve. Draw bar models to help you.
Question 1.
The school cafeteria sells 88 cartons of milk in a month. It sells 4 times as many bottles of water.
a. How many bottles of water does the cafeteria sell?
The cafeteria sells ___ bottles of water.
Answer:
88 x 4 = 352
The cafeteria sells 352 bottles of water.
b. How many more bottles of water than cartons of milk does the cafeteria sell?
The cafeteria sells ___ more bottles of water than cartons of milk.
Answer:
352 – 88 = 264
The cafeteria sells 264 more bottles of water than cartons of milk.
Solve. Draw bar models to help you.
Question 2.
A museum has 75 carvings in its collection. It has 10 more pieces of pottery than carvings. It has 3 times as many paintings as pieces of pottery, How many paintings does the museum have?
Answer:
Explanation:
A museum has 75 carvings in its collection.
It has 10 more pieces of pottery than carvings.
75 + 10 = 85
It has 3 times as many paintings as pieces of pottery,
85 x 3 =
255 paintings that the museum have
Question 3.
The second graders collect 65 books for the book drive. They put some of the books in boxes and have 25 books left to pack. The third graders have 4 times as many books in boxes. There are none left to pack. How many books do the third graders collect?
Answer:
160 books
Explanation:
The second graders collect 65 books for the book drive.
They put some of the books in boxes and have 25 books left to pack.
65 – 25 = 40
The third graders have 4 times as many books in boxes.
4 x 40 = 160
There are none left to pack.
160 books that the third graders collect
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Question 4.
Mary has 21 5 pencils. She wants to put 30 pencils in 8 boxes. How many more pencils does she need?
Answer:
25 pencils
Explanation:
Mary has 21 5 pencils.
She wants to put 30 pencils in 8 boxes.
8 x 30 = 240
240 – 15 = 25
25 more pencils that she need
Question 5.
A bookcase has 5 shelves. Each shelf has 120 books. 174 books are fiction. How many books are nonfiction?
Answer:
426 books
Explanation:
A bookcase has 5 shelves.
Each shelf has 120 books.
120 x 5 = 600
174 books are fiction.
600 – 174 = 426
426 books are nonfiction?
Solve. Use bar models to help you.
Question 6.
Eunice reads 5 times as many pages as Peter. Kevin reads 30 more pages than Eunice. Peter reads 25 pages. How many pages does Kevin read?
Kevin reads __ pages.
Answer:
Kevin reads 155 pages.
Explanation:
Peter reads 25 pages.
Eunice reads 5 times as many pages as Peter.
25 x 5 = 125
Kevin reads 30 more pages than Eunice.
125 + 30 =155
155 pages that Kevin read
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Question 7.
Jill has 28 stickers. Peggy has 4 times as many stickers as Jill. Luis has 1 5 fewer stickers than Peggy. How many stickers does Luis have?
Answer:
97 stickers
Explanation:
Jill has 28 stickers.
Peggy has 4 times as many stickers as Jill.
28 x 4 = 112
Luis has 1 5 fewer stickers than Peggy.
112 – 15 = 97
97 stickers that Luis have