The plastic construction blocks shown here are popular building toys for children. In this photo, you can see 16 blocks arranged in four rows of 4 blocks each. What are some of the ways that you could stack these sixteen blocks to make a rectangular prism?

One way to stack these sixteen blocks to make a rectangular prism is to arrange them in two layers of four rows of two blocks each. The first layer would have the blocks arranged in four rows of two blocks each, and the second layer would have the blocks arranged in the same pattern, but rotated 90 degrees. Another way to stack these sixteen blocks to make a rectangular prism is to arrange them in two layers of two rows of four blocks each. The first layer would have the blocks arranged in two rows of four blocks each, and the second layer would have the blocks arranged in the same pattern, but rotated 90 degrees.

1x2x8

1x4x4
2x2x4