Math Vocab Ch 6-8

Created by classshea 

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16 terms · Test Date is Jan 27 not Jan 25

Divisible

a number is divisible by another number if the quotient is a whole number and the remainder is zero

Common Factor

a number that is a factor of two or more numbers

Greatest Common Factor

the greatest factor that two or more numbers have in common

Composite Number

a whole number having more than two factors

Prime Factorization

a number written as the product of all its prime factors

Factor Tree

a diagram that shows the prime factors of a number

Ladder diagram

a diagram that shows the steps of repeatedly dividing by a prime number until the quotient is 1

Associative Property of Addition

the property that states that when the grouping of addends is changed, the sum is the same

Commutative Property of Addition

the property that states that when the order of two or more addends is changed, the sum is the same

Least Common Multiple (LCM)

the smallest number, other than zero, that is a common multiple of two or more numbers

Least Common Denominator (LCD)

the least common multiple of two or more denominators

Benchmark

a familiar number used as a point of reference

Round

to replace a number with one that is simpler and is approximately the same size as the original number

Tenth

one of ten equal parts

Hundredth

one of one hundred equal parts

Estimate

to find a number that is close to an exact amount

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