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Addition Properties- GED Math Help

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There are four mathematical properties  for addition.  They are the commutative property, associative property, additive identity property, and distributive property. Learn them and they will help you prepare for the GED Math test.

 

Commutative Property of Addition

When two numbers are added, the sum of the addends are the same, regardless of the order.

Example: 6 + 3 = 3 + 6              3xy + 16 = 16 + 3xy

 

Associative  Property of Addition

When three or more numbers are added, the sum of the addends are the same, regardless of the order.

Example: 6 + 3 + 2 = 3 + 6 + 2           3xy + 16 + z = 16 + 3xy + z

 

Additive Identity Property of Addition

When a number is added to zero, the sum is the original number.

Example: 7 + 0 = 7          3xy + 0 = 3xy

 

Distributive Property of Addition

When a number (outside the parentheses) is multiplied against two other addends, it is equal to the sum of each addend multiplied against the number outside the parentheses.

Example: 2 ( 4 + 8) = 2*4 + 2*8

 
 

 
 
 

 

   

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