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