Cube Nets

  • Cube Nets

    Grade: 3rd to 5th, 6th to 8th

    A net is a two-dimensional figure that can be folded into a three-dimensional object. Which of the nets below will form a cube?

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    Activity

    Instructions

    • Click on any net, and determine whether or not it can form a cube.
      • An animation will provide further explanation.
      • If you do not wish to see the animation, you may prematurely close out the window.
    • After completion of a round, you will be able to print your results and/or try again.

    Exploration

    The net below can be folded into a cube. Do you see it? In your mind, try to figure out how it happens.

    3544 Cube Fold Static  

    There are exactly eleven nets that will form a cube. Which of the figures below can be folded into a cube? Click on the figures to find out. Those that form a cube will change colors. For the others, you will be told why they won't work.

    Objectives and Standards

    NCTM Standards and Expectations
    • Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.
    • 3-5
    • 6-8
    • Geometry