Dominoes are two squares that share one full side. Pentominoes are 5 squares. The students explored all 12 pentomino shapes. Then we placed them into a large rectangle. They had to flip, rotate or slide the pieces into the puzzle. There are thousands of ways to create rectangles with these 12 shapes. As they discovered a way, I let them explain their solution to the class on the overhead projector. These spatial activities are vital for young children to develop real life spatial activities like organizing a closet, packing for a trip, putting items in the refrigerator, visualizing plays for basketball, etc.
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