Math Practice 101
Homework Explained - Math Practice 101

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Grade 5 HMH Go Math - Answer Keys
Chapter 4; Lesson 7: Multiply Decimals


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Lesson Check

  • Question 1 (request help)

    Sue buys material to make a costume. She buys 1.75 yards of red material. She buys 1.2 times as many yards of blue material. How many yards of blue material does Sue buy?
    • 2.1 yards
    • 2.95 yards
    • 5.25 yards
    • 21 yards
  • Question 2 (request help)

    Last week Juan worked 20.5 hours. This week he works 1.5 times as many hours as he did last week. How many hours does Juan work this week?
    • 12.3 hours
    • 22 hours
    • 30.75 hours
    • 37.5 hours

Spiral Review

  • Question 3 (request help)

    The expression below shows a number in expanded form. What is the standard form of the number?

        \(2\times10+3\times\frac{1}{10}+9\times\frac{1}{100}+7\times\frac{1}{1000}\)
    • 2,397
    • 20.397
    • 2.397
    • 2.0397
  • Question 4 (request help)

    Kelly buys a sweater for $16.79 and a pair of pants for $28.49. She pays with a $50 bill. How much change should Kelly get back?
    • $4.72
    • $5.48
    • $5.72
    • $45.28
  • Question 5 (request help)

    Elvira is using a pattern to multiply 103  x 37.2.

    100  x 37.2 = 37.2

    101  x 37.2 = 372

    102  x 37.2 =         

    103  x 37.2 =         

    What is the product 103  x 37.2?
    • 0.0372
    • 0.372
    • 3,720
    • 37,200
  • Question 6 (request help)

    Which digit should go in the box to make the following statement true?

    63.749 < 63.    2
    • 3
    • 6
    • 7
    • 8

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