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The Most Famous Document of Babylonian Mathematics: Plimpton 322. Plimpton 322 reveals that the Babylonians discovered a method of finding Pythagorean triples, that is, sets of three whole numbers such that the square of one of them is the sum of the squares of the other two.

Mandelbrot Fractals: Hunting the Hidden Dimension


In a multiple regression analysis involving 25 data points and 4 independent variables, the sum-of-squares terms are calculated as SSR = 120, SSE = 80, and SST = 200 - 911homeworkhelp

Factor Polynomials Cut and Paste {Digital Version} gives students the opportunity to categorize 31 polynomials based on binomials vs trinomials. Then students further categorize into: ♦quadratic formula ♦trinomials with a = 1 ♦trinomials with a not equal to 1 ♦perfect square trinomials ♦difference of squares ♦sum of 2 cubes ♦difference of cubes. As a further extension, students can factor these polynomials and find the zeros.

Metaxas and male heroes only please

Am I the only one who thought her hair was her face for a second, and thought she was some sort of freaky sci-fi monster?


A Year Full of Kindergarten Lessons for Understanding Addition and Subtraction

Kindergartners add the two sides of a domino and then put it on the matching plywood square. GREAT for seeing all of the combinations to twelve!


Representations of Integers As Sums of Squares (Paperback)