Spend your time teaching the Laws associated with Multiplication and Division Family of Facts (0-12), and Squares for the basis of theorems and roots, with this chart (66 Family of Facts) rather than 288 X 4 equations.
When this chart and laws are incorporated, the student reduces the number of facts needed to be memorized from 144 multiplication and 144 division for a total of 288 equations times 4 (for Family of Facts) to 56 Family of Facts.
**The Zero Property: any number multiplied by/divided by zero is zero.
**The Identity Property: any number multiplied by/divided by one is that same number.
**The Commutative Property: the order of the factors does not affect the product.
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