16 terms

# Math Vocab Ch 6-8

Test Date is Jan 27 not Jan 25
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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
a diagram that shows the steps of repeatedly dividing by a prime number until the quotient is 1
the property that states that when the grouping of addends is changed, the sum is the same
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