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.
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.
Ways to Subtract Numbers
1. Drawing
2. Take a Penny
3. Fair is Fair
4. Old School
Ways to Subtract Numbers
1. Drawing
2. Take a Penny
3. Fair is Fair
4. Old School
PowerPoint Presentation Used in Class
Updated on September 25, 2011
Subtraction
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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.