IM 6.4.14 Lesson: Fractional Lengths in Triangles and Prisms

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• Offline Activity (.zip)

• GeoGebra Files

  1. Find the area of Triangle A in square centimeters. Show your reasoning. (.ggb)
     
  2. The area of Triangle B is 8 square units. Find the length of b. Show your reasoning. (.ggb)
     
  3. The area of Triangle C is 54/5 square units. What is the length of h? Show your reasoning. (.ggb)
     
  4. Use cubes or the applet to help you answer the following questions. (.ggb)
     
  5. Here is a drawing of a cube with edge lengths of 1 inch. (.ggb)
     
  6. Four cubes are piled in a single stack to make a prism. Each cube has an edge length of ½ inch. Sketch the prism, and find its volume in cubic inches. (.ggb)
     
  7. For each prism, record in the table how many ½-inch cubes can be packed into the prism and the volume of the prism. (.ggb)
     
  8. Show your reasoning. (.ggb)