Inside the Box

Take a look at a prism after slicing and dicing it. Given a rectangular prism with all three dimensions, pupils draw the horizontal and vertical cross-sections and provide their dimensions. They also determine the dimensions of a diagonal cross-section of the same rectangular prism.

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CCSS: Designed
Instructional Ideas

  • Give the class the cross-sections and see if they can determine the size and shape of the 3-D figure
Classroom Considerations

  • Individuals should be able to use the Pythagorean Theorem in three dimensions
  • Class members should know the difference between horizontal and vertical
Pros

  • Contains questions to ask learners to find out more about their understanding
  • Includes examples of class work
Cons

  • None
Common Core