Smart-board based, instructor uses a 7-year-old-girl student-volunteer to work examples, very interactive, effective set of math lessons. Includes all the basic math foundation topics including: Add, subtract, multiply, d... more »ivide, money, time, decimals, fractions, percentages, factors, multiples, geometry, probability, statistics and data for all elementary grade levels (Grades 1 through 5). 3-DVD set builds one lesson upon the next. A bonus audio multiplication disc included. Kids learn by watching other kids learn. 3-DVD-set Lessons (approximately 6 hours)« less