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bxlxh volume pi r squared area of a circle pi d circumference does not include# on a # line open circle includes # on a # line closed circle 1=(+,+) 2=(-,+) 3=(-,-) 4=(+,-) quadrent flip the second fraction and multiply dividing fractions ._ tenths .-_ hundredths .--_ thousandths _. ones _-. tens _--. hundreds _---. thousands _----. ten thousands _-----. hundred thousands _------. millions 36,482 standard form 30,000+6,000+400+80+2 expanded form thirty six thousand, four hundred eighty-two word form 1.4_1.40 = -5_-1 < on the same line linear not on the same line non-linear # that is neither prime nor composite 1 All faces on a pyramid are what shape? triangles Pyramids and prisms are named by their what? base The percents are not the number of people unless the problem tell you there are how many people? 100 To find a percent you would do what? fraction to decimal times 100 7x means? 7 times x perenthesis exponents multiply divide add subtract PEMDAS 3 x (7+5) = (3x7)+(3+5) distributive property What do you do to find the prime factorization? factor tree Divisibility: ends in 0,2,4,6,8 2 Divisibility: ends in 0 or 5 5 Divisibility: ends in 0 10 Divisibility: adds digits to see if sum is divisible by 3 3 Divisibilty: add digits to see if sum is divisible by 9 9 Divisibility: if 2 and 3 do, so does 6 6 one complete turn circumference inside angles interior outside angles exterior supplementary angles = 180 complimentary angles = 90 rotation turn reflection flip translation slide permutations order matters combination order doesn't matter probability make a fraction