Partials-Sums Addition
2 digit plus 1 digit 2 digit plus 2 digit 3 digit plus 3 digit example 1 3 digit plus 3 digit example 2 |
Trade- First Subtraction
2 digit minus 2 digit 3 digit minus 3 digit ex. 1 3 digit minus 3 digit ex. 2 3 digit minus 3 digit ex. 3 |
U.S. Traditional Subtraction
2 digit minus 2 |