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Grade 7 HMH Go Math - Answer Keys
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Question 16
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Persevere in Problem Solving
The figures show the dimensions of a tennis court and a basketball court given in terms of the width x in feet of the tennis court.
a. Write an expression for the perimeter of each court. 
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Question 16
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b. Write an expression that describes how much greater the perimeter of the basketball court is than the perimeter of the tennis court.
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Question 16
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c. Suppose the tennis court is 36 feet wide. Find all dimensions of the two courts.
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Question 17
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Draw Conclusions
Use the figure to find the product (x + 3)(x + 2). (Hint: Find the area of each small square or rectangle, then add.)
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Question 18
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Communicate Mathematical Ideas
Desmond claims that the product shown at the right illustrates the Distributive Property. Do you agree? Explain why or why not.
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Question 19
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Justify Reasoning
Describe two different ways that you could find the product 8 × 997 using mental math. Find the product and explain why your methods work.
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