Math Practice 101
Homework Explained - Math Practice 101

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Grade 5 Eureka - Answer Keys Module 2
Lesson 1: Multiply multi-digit whole numbers


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  • Question 1 (request help)

    Fill in the blanks using your knowledge of place value units and basic facts.

    a. \(43\times30\)
  • Think: 43 ones × 3 tens =    tens
    43 × 30 =   
  • Question 1 (request help)

    b. \(430\times30\)
  • Think: 43 tens × 3 tens =    hundreds
    430 x 30 =    
  • Question 1 (request help)

    c. \(830\times20\)
  • Think: 83 tens × 2 tens = 166   
    830 x 20 =    
  • Question 1 (request help)

    d. __________ hundreds × __________ hundreds = 176 __________

    \(4,400\times400\)
  • 4,400 x 400 =    
  • Question 1 (request help)

    e. __________ tens × __________ thousands = 40 __________

    \(80\times5,000\)
  • 80 x 5,000 =    
  • Question 2 (request help)

    Determine if these equations are true or false. Defend your answer using your knowledge of place value and the commutative, associative, and/or distributive properties.

    a. \(35\text{ hundreds} = 5\text{ tens}\times7\text{ tens}\)
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  • Question 2 (request help)

    c. \(60\text{ tens}\times4\text{ hundreds} = 40\text{ tens}\times5\text{ hundreds}\)
  •    
  • Question 2 (request help)

    a. \(24\times10\times90 = 90\times2,400\)
  •    

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