Grade 5 HMH Go Math - NEW Answer keys Chapter 1: Place Value, Multiplication, and Expressions; Properties

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Grade 5 HMH Go Math - NEW

Chapter 1: Place Value, Multiplication, and Expressions; Properties

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Problem Solving

Question 13 (request help)
Three friends’ meals at a restaurant cost $13, $14, and $11. Use parentheses to write two different expressions to show how much the friends spent in all. Which property does your pair of expressions demonstrate?

Question 14 (request help)
Jacob is designing an aquarium for a doctor’s office. He plans to buy 6 red blond guppies, 1 blue neon guppy, and 1 yellow guppy. The table shows the price list for the guppies. How much will the guppies for the aquarium cost?

Question 15 (request help)
Sylvia bought 8 tickets to a concert. Each ticket costs $18. To find the total cost in dollars, she added the product $8 \times 10$ to the product $8 \times 8$, for a total of 144. Which property did Sylvia use?
- Distributive Property
- Associative Property

Question 16 (request help)
Sense or Nonsense? Julie wrote (15 - 6) - 3 = 15 - (6 - 3). Is Julie’s equation sense or nonsense? Do you think the Associative Property works for subtraction? Explain.

Question 17 (request help)
Test Prep Canoes rent for $29 per day. Which expression can be used to find the cost in dollars of renting 6 canoes for a day?
- A. $(6 + 20) + (6 + 9)$
- B.$(6 \times 20) + (6 \times 9)$
- C . $(6 + 20) \times (6 + 9)$
- D.$ (6 \times 20) \times (6 \times 9)$