Videos and lessons to help High School students understand that, unlike multiplication of numbers, matrix multiplication for square matrices is not a commutative operation, but still satisfies the associative and distributive properties.
Common Core: HSN-VM.C.9
Common Core (Vector and Matrix Quantities)
Common Core for Mathematics
Properties of Matrix Multiplication N.VM.9
Review of the Associative, Distributive, and Commutative Properties and how they apply (or don't, in the case of the commutative property) to matrix multiplication.
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