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1st Semester Vocab

# 1st Semester Vocab - Term Definition associative property...

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Term: associative property Definition: grouping property; (a+b)+c=a+(b+c) or (ab)c=a(bc) Term: real numbers Definition: all rational and irrational numbers Term: commutative property Definition: order property; a+b=b+a or ab = ba Term: difference Definition: answer to a subtraction problem Term: distributive property Definition: a(b+c)=ab+ac

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Term: evaluate Definition: substituting a value for a variable Term: zero property Definition: x O always equals zero Term: identity property Definition: + O or x 1 won&#039;t change the value Term: rational number Definition: can be written as a fraction Term: integers Definition: whole numbers and their opposites
Term: irrational number Definition: can&#039;t be expressed as a fraction Term: algebraic expression Definition: contains variables, numbers and operations Term: numerical expression Definition: contains numbers and operations Term: order of operations Definition: PEMDAS Term: whole numbers Definition: set of natural numbers and O

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