Solve this simple equation: add together 150 mathematics puzzles with five hours of fun, and what do you get? Answer: this chunky little book which offers so much logical recreation: puzzles with shapes; logic puzzles; tricks; paradoxes; Mensa puzzles; number puzzles: addition, subtraction, multiplication, division; Includes a hint to solve each puzzle, plus a complete section of answers; Challenging, intriguing and above all amusing: your kids have fun while they learn! Another winner in the kids' line of Little Giant Bestsellers.