Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys
Common Core / Common Factors


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Lesson Check

  • Question 1 (request help)

    What are all the common factors of 24, 64, and 88?
    • 1 and 4
    • 1, 4, and 8
    • 1, 4, 8, and 12
    • 1, 4, 8, and 44
  • Question 2 (request help)

    Which number is NOT a common factor of 15, 45, and 90?
    • 3
    • 5
    • 10
    • 15

Spiral Review

  • Question 3 (request help)

    Dan puts $11 of his allowance in his savings account every week. How much money will he have after 15 weeks?
    • $165
    • $132
    • $110
    • $26
  • Question 4 (request help)

    James is reading a book that is 1,400 pages. He will read the same number of pages each day. If he reads the book in 7 days, how many pages will he read each day?
    • 20
    • 50
    • 140
    • 200
  • Question 5 (request help)

    Emma volunteered at an animal shelter for a total of 119 hours over 6 weeks. Which is the best estimate of the number of hours she volunteered each week?
    • 10 hours
    • 20 hours
    • 120 hours
    • 714 hours
  • Question 6 (request help)

    Which strategy can be used to multiply 6 x 198 mentally?
    • 6 x 198 = (6 x 19) + (6 x 8)
    • 6 x 198 = (6 x 200) + (6 x 2)
    • 6 x 198 = (6 x 200) - (6 x 2)
    • 6 x 198 = (6 + 200) x (6 + 2)

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