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

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Grade 5 HMH Go Math - NEW

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

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Use mental math to complete the table.

Question 20 (request help)
1 roll = 50 dimes ; Think:50 dimes per roll \(\times\) 20 rolls =\(( 5 \times 2 ) \times ( 10 \times 10 )\)
Type below:

Question 21 (request help)
1 roll = 40 quarters ; Think:40 quarters per roll \(\times\) 20 rolls =\(( 4 \times 2 ) \times ( 10 \times 10 )\)
Type below:

Problem Solving

Use the table for 24–26.

Question 24 (request help)
What if you magnified the image of a cluster fly by \(9 \times 10^ 3\) ? What would the length appear to be?

\(mm\)

Question 25 (request help)
If you magnified the image of a fire ant by \(4 \times 10 ^3\) and a tree hopper by \(3 \times 10 ^3\) , which insect would appear longer? How much longer?

\(mm\)

Question 26 (request help)
John wants to magnify the image of a fire ant and a crab spider so they appear to be the same length. How many times their actual sizes would he need to magnify each image?

	Fire ant by		times
	Crab spider by		times