Time It! (Multiplication & Division, Ages 7+) : This book stimulates young minds with timed exercises in multiplication and division. Will encourage you to challenge relatives and friends to multiply and divide faster than you. Contains 24 pages of timed exercises, fun facts, games, puzzles, jokes, and other awesome activities. Wipe-off surface can be used over and over again! Includes wipe-off marker and electronic timer.
|Niños y Jóvenes||Matemáticas|