click below
click below
Normal Size Small Size show me how
Math Stuff
Study stack for upcoming test.
Term | Definition |
---|---|
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 |