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Math Stuff

Study stack for upcoming test.

TermDefinition
Prime Numbers Numbers that have ONLY TWO factors: one and itself.
Composite Numbers Numbers that have more than two factors.
Divisibility rule for 2 If a number is even.
Divisibility Rule for 3 If the sum of the added digits is a multiple of three..
Divisibility Rule for 9 If the sum of the added digits is a multiple of nine.
Prime Factorization Finding all prime factors of a number.
Array An arrangement of organized rows and columns.
Maximum The highest number in a set of data
Minimum The smallest number in a set of data.
Range The difference between the greatest and smallest number.
Mode The most frequent appearing number in a set of data.
Median The middle number in a set of data, find it by ordering the numbers from least to greatest.
GCF Greatest Common Factor. List the factors of a number to find its GCF.
LCM Least Common Multiple. List the multiples of number to find its LCM.
Numerator The top number in a fraction.
Denominator The bottom number in a fraction.
Right Angle An angle measuring 90 degrees.
Obtuse Angle Measures between 91 and 179 degrees.
Acute Angle Less than 90 degrees.
Straight Angle 180 degrees.
Isosceles Triangle. An angle with two equal sides.
Scalene Triangle An angle with no equal sides.
Finding Circumference Pi x diameter
Finding Area B x H
Order of Operations System:Please Excuse My Dear Aunt Sally
Created by: Olympian
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