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Subject MathThe Number System
Grade Level Grades 6-12
Standards Alignment
Common Core State Standards
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Videos by Julie Harland http://yourmathgal.com
Shows how to add positive and negative numbers; uses counters. Aligned to Common Core State Standard: 7.NS.1 . For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos

Standards

Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

Reviews

3.0
1 Review
Nice resource to model addition and subtraction of integers with manipulatives.
cboutin
May 27, 2013