NASA scientist and math educator Deepak Kulkarni, Ph. looks at the recreational and educational value of math puzzles, with a special focus on the algebraic teaching potential of OkiDoku.

Real world math errors for problem solving. "What's wrong with this picture? It will have kids looking for real world math errors

This is a self-checking "cereal box puzzle" activity that would work well for a math center. If the student has correctly matched the cards, the box front image will be arranged properly when the cards are flipped over. Love this idea!