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Ch. 2 Math Vocab.
Chapter 2 Math Vocabulary to Study
Term | Definition |
---|---|
Commutative Property | the order in which numbers are added does not change the sum |
Associative Property | the way in which the numbers are grouped does not change the sum |
Identity Property | the sum of any number and 0 is the number |
Sum | the answer to an addition problem |
Addend | any numbers being added in an addition problem |
Difference | the answer to a subtraction problem |
Minuend | the first number in a subtraction sentence from which a second number is being subtracted |
Subtrahend | the number that is subtracted in a subtraction problem |
Estimate | an answer close to the exact answer |
Round | to change the value of a number to one that is easier to work with |
Equation | a sentence that contains an equal sign show that both sides of the equal sign are equal |
Variable | a symbol, often a letter, that is used to represent an unknown |