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Solving Inequalities

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Numbers Strand: Number

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Benford`s Law and the Bible

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... down the significant digits, with a decimal point after the first digit: 1 .37. Then count how many places you moved the decimal point. To get 1.37 from 137,000,000, the unwritten decimal point was moved 8 places to the left. Thus, you need to multiply 1.37 by 108: 137,000,000 = 1.37 xlO 8 . Similar ...
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Mathematical Ideas - Folsom Lake College

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Mathematical Games - Math Teachers` Circles

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2.2 Addition of Integers

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Student Activities for Theorem 15: Converse of Pythagoras` Theorem

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Real Numbers and the Number Line - peacock

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... Square roots of perfect square radicands simplify to rational numbers (numbers that can be written as a quotient of integers). Square roots of numbers that are not perfect squares (like 7, 10, etc.) are irrational numbers. IF REQUESTED, you can find a decimal approximation for these irrational numbe ...
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46 Austrian Mathematical Olympiad

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Real Numbers and Number Operations 1.1 - Winterrowd-math

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Moving from Sig Figs to Scientific Notation

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... 1. Change this number by moving the decimal place to the left and raising the exponent, until the exponents of both numbers agree. Note that this will take the lesser number out of standard form. 2. Add or subtract the coefficients as needed to get the new ...


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Location arithmetic

Location arithmetic (Latin arithmeticæ localis) is the additive (non-positional) binary numeral systems, which John Napier explored as a computation technique in his treatise Rabdology (1617), both symbolically and on a chessboard-like grid.Napier's terminology, derived from using the positions of counters on the board to represent numbers, is potentially misleading in current vocabulary because the numbering system is non-positional.During Napier's time, most of the computations were made on boards with tally-marks or jetons. So, unlike it may be seen by modern reader, his goal was not to use moves of counters on a board to multiply, divide and find square roots, but rather to find a way to compute symbolically.However, when reproduced on the board, this new technique did not require mental trial-and-error computations nor complex carry memorization (unlike base 10 computations). He was so pleased by his discovery that he said in his preface ... it might be well described as more of a lark than a labor, for it carries out addition, subtraction, multiplication, division and the extraction of square roots purely by moving counters from place to place.
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