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TRANSLATED MATHEMATICS STYLE GUIDE Measurements • Although measurements may be abbreviated, read the whole term o cm is read as “centimeters” o cm2 is read as “centimeters squared” • The degree symbol o is read as ‘degrees’ o 42oF is read as ‘forty-two degrees Fahrenheit’ o 42oC is read as ‘forty-two degrees Celsius’ Numbers • Numbers o 23 is read as ‘twenty-three’ o 124 is read as ‘one hundred twenty four’ o 1,283 is read as ‘one thousand two hundred eighty three’ • Decimal numbers o 1.23 is read as ‘one point two three’ o 0.015 is read as ‘zero point zero one five’ • Fractions 2 is read as ‘two thirds’ o 3 1 o is read as ‘one half’ 2 5 is read as ‘five thirds’ o 3 2 o 1 is read as ‘one and two thirds’ 3 x o Any fraction with a denominator greater than 10 is read as ‘the fraction x over y’ y 89 o is read as ‘the fraction eighty-nine over ninety’ 90 • Percentages o 15% is read as ‘fifteen percent’ o 1.23% is read as ‘one point two three percent’ • Money o $4 is read as ‘4 dollars’ o $1.75 is read as ‘1 and 75 cents’ • Powers o 22 is read as ‘two squared’ o 33 is read as ‘three cubed’ o 54 is read as ‘five to the fourth power’ o 2 −10 is read as ‘two to the negative tenth power’ o Scientific notation (a x 10n) is read as ‘a times 10 to the nth power’ 2 x 10-4 is read as ‘two times 10 to the negative fourth power’ 1/24/2012 Page 1 of 3 • Roots and Radicals 36 is read as ‘the square root of thirty-six’ o o • 2 5 is read as ‘two times the square root of five’ 3 36 is read as ‘the cubed root of thirty-six’ o Ratios o 12:8 is read as ‘the ratio twelve to eight’ Algebraic equations and expressions • Basic Math symbols + ‘plus’ – ‘minus’ x or • ‘multiplied by’ (except when otherwise noted) ÷ ‘divided by’ = ‘equal’ or ‘equals or ‘is equal to’ < ‘is less than’ > ‘is greater than’ ‘is less than or equal to’ ≤ ‘is greater than or equal to’ ≥ • Algebraic equations, expressions, inequalities o For MSP, equations are generally read to the student. 3x + 4y = 76 is read as ‘three x plus four y is equal to seventy-six’ 2 y = 24 is read as ‘two thirds y is equal to twenty-four’ 3 n(29.95 + 0.21) ≤ 100 is read as ‘n open parenthesis twenty-nine point nine five plus zero point twenty-one close parenthesis is less than or equal to one hundred’ X 5 = 20 is read as ‘box multiplied by 5 equals 20’ o For MSP, algorithms are generally NOT read to the student. o For EOC exams, algebraic expressions or equations are generally NOT read to the student. Replace with the phrase ‘…the equation(s) shown…’ or similar. • Absolute value o |4| is read as ‘the absolute value of 4’ • Trigonometry (EOC) o DO NOT READ trigonometric expressions or equations. • Function notation (EOC) o f(x) is read as ‘f of x’ o g(-3) is read as ‘g of negative 3’ • Sequences and Series (EOC) o a1 is read as ‘a sub 1’ 1/24/2012 Page 2 of 3 Geometry • Points o (3, 4) is read as ‘the point three (pause) four’ o (-3, 4) is read as ‘the point negative three (pause) four’ • Geometric symbols o m∠ ABC is read as ‘m angle A B C’ o ∠ ABC is read as ‘angle A B C’ o ∆ ABC is read as ‘triangle A B C’ o EF is read as ‘line segment EF’ o AB is read as ‘line AB’ o Lꞌ is read as ‘L prime’ o For EOC exams, DO NOT READ geometric symbols for || (parallel), ≅ (congruent), ~ (similar), ⊥ perpendicular 1/24/2012 Page 3 of 3