1. Multi-Digit Addition and Subtraction
Mrs. Conrad

2. Vocabulary Addition Subtraction The sum of a + b The difference of

3. Addition Examples
What is the sum of 1579 and 2653? =

4. Subtraction Examples Find the difference between 3145 and 2570
912 – 799 =

5. Steps to Add and Subtract Multi-Digit Numbers
Rewrite the problem vertically if needed
Numbers should be lined up by their place value
Add or subtract starting on the right with the ones place and moving to the left
Make sure to carry when adding as needed
Make sure to borrow when subtracting as needed

6. Questions, Comments, Concerns