Teacher resources and professional development across the curriculum

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Problem SolvingSession 03 Overviewtab aTab btab ctab dtab eReference
Part B

Exploring Problem Solving
  Introduction | Try It Yourself: Finding Pentominos | Making Boxes | Problem Reflection | Your Journal


Consider the problem below and select "Show Answer" to see a possible response.

Some of the pentominos you found in the previous problem will fold to make a cube without a top, and some will not. In this activity, cut out all 12 pentominos from grid paper and find which ones will fold to make a cube without a top. List the letter names of the ones that can fold.

Tip: First, mark the square that would be the bottom of the cube.

Show Answer

Eight of the pentominos fold to make a cube without a top: L, Y, N, Z, F, T, W, and X. They are shown below with an X on the bottom square.

pentomino cube

next  Reflect on this problem

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