Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys


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Use the table for 15–16.

  • Question 15 (request help)

    Use Graphs How many frames did it take to produce 50 seconds of Pinocchio?
  •    frames
  • Question 16 (request help)

    Are there fewer frames in 10 seconds of The Flintstones or in 14 seconds of The Enchanted Drawing? What is the difference in the number of frames?
  •    
  • Question 17 (request help)

    The product of my number and twice my number is 128. What is half my number? Explain how you solved the problem.
  •    
  • Question 18 (request help)

    Tanya says that the product of a multiple of ten and a multiple of ten will always have only one zero. Is she correct? Explain.
  •    
  • Question 19 (request help)

    For numbers 19a–19e, select Yes or No to tell whether the answer is correct.

    a. 28 × 10 = 280
    • yes
    • no

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