Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  • Question 11 (request help)

    You have been asked to build a scale model of your school out of toothpicks. Imagine your school is 30 feet tall. Your scale is 1 ft:1.26 cm.

    a. If a toothpick is 6.3 cm tall, how many toothpicks tall will your model be?
  •     toothpicks
  • Question 11 (request help)

    b. Your mother is out of toothpicks, and suggests you use cotton swabs instead. You measure them, and they are 7.6 cm tall. How many cotton swabs tall will your model be?
  •     cotton swabs

  H.O.T.  

  Focus on Higher Order Thinking  

  • Question 12 (request help)

    Draw Conclusions

    The area of a square floor on a scale drawing is 100 square centimeters, and the scale of the drawing is 1 cm : 2 ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area?
  • Area=   sq. ft.
  • Question 13 (request help)

    Multiple Representations

    Describe how to redraw a scale drawing with a new scale.
  • Type below:
  • Question 14 (request help)

    Represent Real-World Problems

    Describe how several jobs or professions might use scale drawings at work.
  • Type below:

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