All four arithmetic examples and exercises are provided with detailed and smooth versions of video teaching It is suitable to - Children with strong self-learni

All four arithmetic examples and exercises are provided with detailed and smooth versions of video teaching It is suitable to - Children with strong self-learni

A Complete Abacus Mind Math Instruction and Workbook for addition and subtraction, the book includes: Instructions on how to effectively introduce children to m

Abacus Mind Math Instruction Book Level 1 (for teachers and parents): Goal for Level - 1 Addition - without carryover problems Subtraction - without borrowing p

Learn how to add, subtract, multiply, divide and find square roots with this easy to use instruction guide. There are many sample problems with step-by-step ins