Memorizing math facts is not only challenging but also success-oriented and fun with this 5-minutes-a-day system. Students work through a series of daily timed tests at their own rate, beginning with 0-1, 2, 3, 0-3 etc., mastering each one before proceeding to the next. Math whiz kids are constantly challenged, while students having difficulty are given the time they need to master the facts. Besides worksheets and answer keys, these booklets have...