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a whole number greater than 1 that has exactly 2 factors, 1 and itself.

composite number

any whole number greater than one that has more than 2 factors.

prime factorization

expressing a composite number as the product of prime numbers (ex. 63=3x3x7)

absolute value

the number of units a number is from zero (0) on the number line.

exponent

in a power, the number of times the base number is used as a factor.

base

in a power, the number used as a factor.

greatest common factor (GCF)

the greatest of the common factors of two or more numbers.

least common multiple(LCM)

the least of the non-zero common multiples of two or more numbers.

reciprocal

the multiplicitive inverse of a number

opposite (of a given number)

two integers are opposites if they are represented on the number line by points that are the same distance from zero, but on opposite sides of zero. The sum of opposites is zero (0).

Odd Number

Number that cannot be divided by 2.

Even Number

Number that is divisable by 2.

Estimate

To make an educated guess.

Greater Than

More than or bigger than.

Less Than

Not as many as or smaller than.

Decrease

Get smaller in size or number.

Increase

Get larger in size or number.

Probability

The chance that a particular outcome will occur.

Congruent

Having the same shape and size.

Perpendicular

Lines that intersect at right angles to eachother.

Parallel

Lines that are the same distance apart.

Symmetry

When one half of an object is a mirror image of the other half.