They didn't do it this way when we were at school.
A power learning aid using Coaching Calculators to help moms, dads and kids master modern school methods for addition, subtraction, multiplication and division of numbers..
Modern number methods :
Addition
- Column
- Partial Sums (R to L and L to R)
- Standard (traditional)
Subtraction
- Count Up
- Count Down
- Trade First
- Partial Differences (R to L and L to R)
- Standard (traditional)
Multiplication
- Lattice
- Box or Grid
- Partial Products (R to L and L to R)
- Standard (traditional)
Division
- Partial Quotients (Chunking)
- Standard (traditional)
