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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Use the table for 13–14.

  • Question 13 (request help)

    What is the combined population of the three major Alaskan cities? Estimate to verify your answer.

  • Estimate:    
    Sum:    
  • Question 14 (request help)

    The digit 5 occurs two times in the population of Fairbanks. What is the value of each 5? Explain your answer.

  • First 5:               
    Second 5:    
  • Question 15 (request help)

    Kaylie has 164 stamps in her collection. Her friend Nellie has 229 more stamps than Kaylie. How many stamps do Kaylie and Nellie have?

  •     stamps
  • Question 16 (request help)

    Alaska's Glacier Bay National Park had 431,986 visitors one year. The next year, the park had 22,351 more visitors than the year before. How many people  visited during the two years? Show your work and explain how you found your answer.

  •     visitors

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