AddBlocks Early Math app for iPhone and iPad

Develop mental strategies for counting, addition and subtraction. Explore pencil and paper methods for addition, subtraction, multiplication and division.

Powerful learning aids such as Coaching Calculators, Blocks and Ten-Frames aid understanding.

Addition:
- Column
- Partial Sums
- Standard Method (regrouping or carrying)

Subtraction:
- Counting Up and Counting Down
- Trade First and Partial Differences
- Standard Method (regrouping or borrowing)

Multiplication:
- Partial Products

Division:
- Partial Quotients

Expansion or Decomposition:
- Place Value

Doubling with Blocks:
- Doubles like 8 + 8
- Doubles plus one and Doubles minus one
- Make a Double

Counting with Ten-Frames:
- Counting on by 1, 2 or 3
- Combinations of 10
- Making a ten from 9 and from 8