Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys
Common Core - Add Whole Numbers


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Add Whole Numbers

Estimate. Then find the sum.

  • Question 2 (request help)

                 73,404
              + 27,865
  • Estimate:   
    Sum:   
  • Question 3 (request help)

                 404,446
              + 396,755
  • Estimate:   
    Sum:   
  • Question 4 (request help)

                 137,638
                + 52,091
  • Estimate:   
    Sum:   
  • Question 5 (request help)

                 200,629
                + 28,542
  • Estimate:   
    Sum:   
  • Question 6 (request help)

                 212,514
              + 396,705
  • Estimate:   
    Sum:   
  • Question 7 (request help)

                 324,867
              +    6,233
  • Estimate:   
    Sum:   
  • Question 8 (request help)

                 462,809
              + 256,738
  • Estimate:   
    Sum:   
  • Question 9 (request help)

                 624,836
              + 282,189
  • Estimate:   
    Sum:   

Problem Solving

Use the table for 10–12.

  • Question 10 (request help)

    Beth and Cade were on one team. What was their total score?
  •    
  • Question 11 (request help)

    Dillan and Elaine were on the other team. What was their total score?
  •    
  • Question 13 (request help)

    Have students write a story problem that can be solved by finding the sum of 506,211 and 424,809. Have them solve the problem.
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