Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers

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We included HMH Into Math Grade 4 Answer Key PDF Module 2 Addition and Subtraction of Whole Numbers to make students experts in learning maths.

HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers

How can you reason in reverse?

  • A filmmaker wants to record scenes on the roofs of three buildings. She uses a drone with a camera.
  • Suppose the drone starts on the roof of one building, flies down to the roof of a second building, and then flies up to land on a third building, as shown.

HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 1

  • How tall is the first building? __________
    The Height of the third building is 692 feet
    The second is to third increases by 129 feet
    so, 692 – 129 = 563 feet
    From first to second it decreases by 183
    so, 563 + 183 = 746
    The first building height is 746 feet.

Turn and Talk

  • How does the relationship between addition and subtraction help you solve this problem?
    Explanation:
    Addition and subtraction are the inverse operations of each other.
    Put simply, this means that they are the opposite.
    You can undo an addition through subtraction, and you can undo a subtraction through addition.

Are You Ready?

Complete these problems to review prior concepts and skills you will need for this module.

Column Addition

Circle two addends to add first. Then find the sum.

Question 1.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 2
Answer:

Explanation:
6 + 4 = 10
10 + 2 = 12

Question 2.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 3
Answer:

Explanation:
5 + 5 = 10
10 + 4 = 14

Question 3.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 4
Answer:

Explanation:
8 + 2 = 10
7 + 3 = 10
10 + 10 = 20

Two-Digit Addition and Subtraction

Find the sum or difference.

Question 4.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 5
Answer:

Explanation:
The sum of two digit numbers
16 + 35 = 51

Question 5.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 6
Answer:

Explanation:
The difference of two digit numbers
84 – 56 = 28

Question 6.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 7
Answer:

Explanation:
The sum of two digit numbers
67 – 29 = 38

Subtract Through 3-Digit Numbers

Find the difference.

Question 7.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 8
Answer:

Explanation:
The difference of 591 – 7 = 584

Question 8.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 9
Answer:

Explanation:
The difference of 805 – 26 = 779

Question 9.
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 10
Answer:

Explanation:
The difference of 200 – 46 = 154

Question 10.
Selena had 806 marbles in a jar. She gave Taryn 109 marbles from the jar. How many marbles does Selena have left in the jar?
HMH Into Math Grade 4 Module 2 Answer Key Addition and Subtraction of Whole Numbers 11
Answer:
Selena had 806 marbles in a jar.
She gave Taryn 109 marbles from the jar.
806 – 109 = 697
Explanation:
697 marbles that  Selena have left in the jar

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