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# Math Unit 1 Vocab

### Here are our main vocabulary terms from Unit 1, Part 1.

TermDefinition
Commutative Property 12 * 13 = 13 * 12
Associative Property (7 + 9) + 8 = 7 + (9 + 8)
Identity Property Any number plus 0 equals that number OR any number times 1 equals that number.
Factor one of the two or more whole numbers that are multiplied to give you a product.
Multiple the product of a given whole number and another whole number.
Integer -9, 0, 12, 37, -55
Absolute Value |-6| = 6, |8| = 8
Opposites -5, 5...-2.5, 2.5...80, -80...
Percent "out of 100"
Rational Number Any number than can be represented as a fraction with whole numbers in the numerator and denominator.
Benchmark A reference number used to estimate and calculate values.
LCM The first multiple that is shared between two or more numbers.
GCF The greatest common factor shared between two or more numbers.
Prime Number A number with only two factors: one and itself.
Composite Number A number with more than two factors other than 1 and itself.
Created by: emains