# McGraw Hill Math Grade 4 Chapter 4 Lesson 4 Answer Key Making Comparison Using Multiplication

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## McGraw-Hill Math Grade 4 Answer Key Chapter 4 Lesson 4 Making Comparison Using Multiplication

Solve.
Write the answer, and the expression used to find it.
Question 1.
Mr. Novak is making a large pot of soup. His recipe calls for 3 times as many beans as noodles. If he uses 2 cups of noodles, how many cups of beans will he need?
2 × 3 = 6 cups of beans
Number of cups of beans he needs = 6.

Explanation:
Number of cups of noodles he uses = 2.
His recipe calls for 3 times as many beans as noodles.
=> Number of cups of beans he needs = 3 × Number of cups of noodles he uses
= 3 × 2
= 6.

Question 2.
Rob and Ryan swim laps in a pool. Ryan swims 3 times as many laps as Rob. If Rob swims 7 laps, how many laps does Ryan swim?
Number of laps Ryan swims = 21.

Explanation:
Number of laps Rob swims = 7.
Ryan swims 3 times as many laps as Rob.
=> Number of laps Ryan swims = 3 × Number of laps Rob swims
= 3 × 7
= 21.

Question 3.
Ms. Moreno has 4 times as many spoons as plates. If she has 5 plates, how many spoons does she have?
Number of spoons she has = 20.

Explanation:
Number of plates she has = 5.
Ms. Moreno has 4 times as many spoons as plates.
=> Number of spoons she has = 4 × Number of plates she has
= 4 × 5
= 20.

Question 4.
A store has 9 times as many shirts for sale as hats. If the store has 11 hats for sale, how many shirts are for sale?