IM 7.6.5 Lesson: Reasoning about Equations and Tape Diagrams (Part 2)

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• Offline Activity (.zip)

• GeoGebra Files

  1. Draw a tape diagram to represent this situation. Each of 5 gift bags contains x pencils. Tyler adds 3 more pencils to each bag. Altogether, the gift bags contain 20 pencils. (.ggb)
     
  2. Draw a tape diagram to represent this situation. Noah drew an equilateral triangle with sides of length 5 inches. He wants to increase the length of each side by x inches so the triangle is s (.ggb)
     
  3. Draw a tape diagram to represent this situation. You may need to decide what to represent with a variable. An art class charges each student $3 to attend plus a fee for supplies. Today, $20 (.ggb)
     
  4. Draw a tape diagram to represent this situation. You may need to decide what to represent with a variable. Elena ran 20 miles this week, which was three times as far as Clare ran this week. C (.ggb)
     
  5. Applet 5 (.ggb)