Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys
Common Core


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Multiply with Regrouping

Estimate. Then find the product.

  • Question 1 (request help)

    Estimate:   2,700  

    Think: 87 is close to 90 and 32 is close to 30.
    90 x 30 = 2,700

     
  • Question 2 (request help)

                  73
               x 28
  • Estimate:   
    Product:   
  • Question 3 (request help)

                  48
               x 38
  • Estimate:   
    Product:   
  • Question 4 (request help)

                  59
               x 52
  • Estimate:   
    Product:   
  • Question 5 (request help)

                  84
               x 40
  • Estimate:   
    Product:   
  • Question 6 (request help)

                  83
               x 77
  • Estimate:   
    Product:   
  • Question 7 (request help)

                  91
               x 19
  • Estimate:   
    Product:   

Problem Solving

  • Question 8 (request help)

    Baseballs come in cartons of 84 baseballs. A team orders 18 cartons of baseballs. How many baseballs does the team order?
  •    baseballs
  • Question 9 (request help)

    There are 16 tables in the school lunch room. Each table can seat 22 students. How many students can be seated at lunch at one time?
  •    students

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