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Expressions-6th

Addition and Subtraction Expressions

TermDefinition
Algebraic Expression A variable by itself or a combination of one or more operations, and possibly one or more numbers. Ex: x, t +3, a + b - 7
Evaluate Solve!
Commutative Property of Addition The ORDER of addends does not change the sum.
Addend A number that is to be added. (Add-In)
Associative Property of Addition The way addends are GROUPED does not change a sum.
Identity Property of Addition The sum of any addend and 0 equals the addend.
Variable A letter or a symbol used to represent a number or numbers
Created by: Miss.Hankes
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