www.MathEdPage.org/puzzles
Adapted from Geometry Labs, by Henri Picciotto

Discovering the SuperTangrams

unit half-squares

How many unit half-squares in these? _____ and _____

Note: arrangements like these do not count. The unit half-squares much touch by whole sides.

incorrect combinations
  1. There are only four figures that are made of three unit half-squares. Use graph paper to find them.
  2. Figures that are made up of four unit half-squares are called superTangrams. How many of them can you find?
  3. Find the perimeters of the superTangrams, and rank them from shortest to longest.

Discussion

  1. What is your method for finding superTangram shapes?
  2. How do you know when you have found all the superTangrams?