Math Practice Online > free > lessons > Texas > 8th grade > Integer Equivalence
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Helps you understand that there really is little difference between a subtraction sign and a negative sign by asking you to create an equivalent expression in a similar fashion to the commutative property.
This topic aligns to the following state standards
Grade 7: Num C. use models to add, subtract, multiply, and divide integers and connect the actions to algorithms;
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