Mastering math skills takes on a bright new element of fun with these useful and imaginative cross-shaped math puzzles. Designed to provide the necessary practice and review of essential computation, your students will improve their basic math facts, increase their ability to perceive numerical relationships, and enjoy themselves in the process.

The removable center circle is the key to correctly solving the puzzle. The student must determine which circle answer works correctly with both the horizontal and vertical math sentences or equations. With minimal supervision, individuals or small groups can develop their computational skills.

Each series includes 72 reversible math puzzles.