Multiplication (Fewer x More digit )
Multiplication (Fewer x More digit )
Multiplication (Fewer x More digit )
Divided (5D ÷ 3D special question)
10. Learning the meaning of adding and subtracting columns.
11. The Combination of abacus and elementary school math.
12. Multiplication and division teaching should determine its position first.
13. What can parents do to help when students are learning abacus?
14. Is accuracy or speed more important in Abacus and Mental Arithmetic learning?
15. The importance of over-quotient in division
16. Complimentary functions of computer flash calculation
17. Pointers for older abacus and mental arithmetic students (6 to 10 years old)
18. The importance of choosing the best abacus teaching materials
19. How long should a student learn abacus?
20. What is the certification exam?
21. What is the abacus skills classification?
22. An Overview of Two-hand Method
23. An Overview on One-hand Method
24. Feasibility of Two-hand Method