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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Lesson Check

  • Question 1 (request help)

    The coastline of the United States is 12,383 miles long. Canada’s coastline is 113,211 miles longer than the coastline of the United States. How long is the coastline of Canada?
    • 100,828 miles
    • 115,594 miles
    • 125,594 miles
    • 237,041 miles
  • Question 2 (request help)

    Germany is the seventh largest European country and is slightly smaller by area than Montana. Germany has a land area of 134,835 square miles and a water  area of 3,011 square miles. What is the total area of Germany?
    • 7,846 square miles
    • 131,824 square miles
    • 137,846 square miles
    • 435,935 square miles

Spiral Review

  • Question 3 (request help)

    In an election, about 500,000 people voted in all. Which number could be the exact number of people who voted in the election?
    • 429,455
    • 441,689
    • 533,736
    • 550,198
  • Question 4 (request help)

    In 2007, Pennsylvania had approximately 121,580 miles of public roads. What is 121,580 rounded to the nearest thousand?
    • 100,000
    • 120,000
    • 121,000
    • 122,000
  • Question 5 (request help)

    Which of the following lists of numbers is in order from greatest to least?
    • 33,093; 33,903; 33,309
    • 42,539; 24,995; 43,539
    • 682,131; 628,000; 682,129
    • 749,340; 740,999; 740,256
  • Question 6 (request help)

    Which symbol makes the following statement true?

    $413,115  $431,511
    • <
    • >
    • =
    • +

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