Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys


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  • Question 21 (request help)

    Cause and Effect

    The reading skill cause and effect can help you understand how one detail in a problem is related to another detail.

    Chet wants to buy a new bike that costs $276. Chet mows his neighbor’s lawn for $15 each week. Since Chet does not have money saved, he needs to decide which layaway plan he can afford to buy the new bike.

    Which plan should Chet choose?

    3-month layaway:
    $276 ÷ 3
    Estimate.
    $270 ÷ 3 ______    		 6-month layaway:
    $276 ÷ 6
    Estimate.
    $300 ÷ 6 _____


    Chet earns $15 each week. Since there are usually 4 weeks in a month, multiply to see which payment he can afford.

    $15 × 4 = _______

    So, Chet can afford the ______ layaway plan.
  • Type below:

Use estimation to solve.

  • Question 21 (request help)

    Sofia wants to buy a new bike that costs $214. Sofia helps her grandmother with chores each week for $18. Estimate to find which layaway plan Sofia should  choose and why.
  • Type below:
  • Question 22 (request help)

    Describe a situation when you have used cause and effect to help you solve a math problem.
  • Type below:

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