Difference Magic Squares
Students use algebra when necessary, know the idea of, and be able to construct, 3 by 3 arrays of numbers according to a given rule. They extend the problem to a 5 by 5 grade using the numbers 1 to 25.
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Interesting Integers and Exciting Equations
An 80-page resource provides four lessons and all associated worksheets to teach middle schoolers about expressions and equations. The lessons are hands-on, using games, "integer chips," a balance and cubes, and cut and paste activities....
6th - 8th Math CCSS: Adaptable