Geometry is wrapping up areas and moving into volumes. One of my favorite activities to foster spacial reasoning is the Seven-Piece Soma Cube. If you have never heard of this… here is a quick run down.
- Have students grab 27 math-link cubes (the ones that attach to each other)
- Challenge them to create all possible combinations of 3 and 4 piece cubes, the catch is at least one inside edge must be formed.
- Eventually, they will get all possible combinations, this takes some time. For my lower students I put up this visual:
- Once they have all seven pieces, they arrange them to create a 3x3x3 cube.
- There are something like 260 possible combinations…
Students worked hard and gave positive reviews to the activity. This sorta activity is a lot of fun.