Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys
Chapter 5: Proportions and Percent; Lesson 1: Percent Increase and Decrease


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  Guided Practice  

Find each percent increase. Round to the nearest percent.

  • Question 7 (request help)

    Nathan usually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.
  •     %

Find each percent decrease. Round to the nearest percent.

  • Question 14 (request help)

    Over the summer, Jackie played video games 3 hours per day. When school began in the fall, she was only allowed to play video games for half an hour per day. What is the percent decrease? Round to the nearest percent.
  •     %

Find the new amount given the original amount and the percent of change.

  • Question 21 (request help)

    Adam currently runs about 20 miles per week, and he wants to increase his weekly mileage by 30%. How many miles will Adam run per week?
  •     miles

  Essential Question Check-In  

  • Question 22 (request help)

    What process do you use to find the percent change of a quantity?
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