## This Week In Math

Subtraction

## Standard

**M3N2**

Students will further develop their skills of subtraction by using the properties of subtraction to compute and verify the results of computation and apply these skills in problem solving.

## Notes

Subtraction is the hardest concept third graders must master. There are lots of different ways to subtract. Each one allows you to understand the process of subtraction. It does not matter which one you use because you will still get the same answer. You can check by using a one of the other methods or by using addition.

2. Take a Penny

3. Fair is Fair

4. Old School

__Ways to Subtract Numbers__

1. Drawing2. Take a Penny

3. Fair is Fair

4. Old School

## PowerPoint Presentation Used in Class

Updated on September 25, 2011

### Subtraction

More PowerPoint presentations from Elizabeth

## Videos

## Parent Resources

## Lesson on How to Teach Subtraction

Cool Math 4 Kids has great resources for parents. Click on the picture to find lessons for parents and kids from basic subtraction to 3 and 4 digit subtraction to the importance of place value to subtracting really big numbers.