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Chpt 4

Vocabulary from Chapter 4

Vocabulary WordDefinition
Order Property addends can be added in any order without changing the sum
Grouping Property addends can be grouped in any order without changing the sum
Identity Property the sum of zero and any number is the number
expression a mathematical phrase that combines numbers, operation signs, and sometimes variables; it does not have an equal sign
variable a letter or symbol that stands for one number
equation an algebraic or numerical sentence that shows two quantities are equal
solution a value that, when substituted for the variable, makes an equation or an
inequality a number sentence that shows that
Commutative Property reordering the addends does not change a sum
Associative Property regrouping the addends does not change a sum
compensation when one addend is changed to a multiple of ten, the other addend is adjusted to keep the balance
Created by: Central 5th Math