Addition - using Partial Sums Method

Related Pages
More Lessons for Grade 2
Math Worksheets

How to add using Partial Sums Addition?

1. Starting from the left, add up the digits one column at a time.
2. Write down each partial sum.
3. Add all the partial sums to get the final sum.

Partial sums examples 3 digits + 3 digits

3 digits + 3 digits (part 1)

3 digits + 3 digits (part 2)

Partial Sums Addition the fast way
A new method of addition used in Everyday Math and the Common Core.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.