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The product of any number and one is that number.
Changing the grouping of the factors does not change the product.
Changing the order of the factors does not change the product.
This is done by breaking a large fact into two smaller known facts.
commutative property of multiplication
If the order of factors changes, the product stays the same.
associative property of multiplication
When the grouping of factors changes, the products stays the same.
identity property of multiplication
The product of 1 and any number is that number.
Property of Zero
a × 0 = 0
Distributive Property of Multiplication
4 × 5
( 2 × 5 ) + ( 2 × 5)
Multiplication Property Of Zero
A-1: A.-1= -A
Multiplication Property Of -1:
(1 + 2) + 3 = 1 + (2 + 3)
Multiplying a sum by a number is the same as multiplying each term by the number and then adding (or subtracting ) the products.
Property Of Equality
a mathematical element that when added to another number yields the same number
Zero times any number is zero. In symbolic form, 0 x a = 0.