Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys
Chapter 3 Review/Test


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  • Question 1 (request help)

    Explain how to find 40 × 50 using mental math
  • Type below:

Mrs. Traynor’s class is taking a field trip to the zoo. The trip will cost $26 for each student. There are 22 students in her class.

  • Question 2 (request help)

    Part A

    Round each factor to estimate the total cost of the students’ field trip.
  • $   
  • Question 2 (request help)

    Part B

    Use compatible numbers to estimate the total cost of the field trip.
  • $   
  • Question 2 (request help)

    Part C

    Which do you think is the better estimate? Explain.
  • Better estimate:   

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