GED Math Study Guide

sum --the answer to an addition problem the difference --the answer to a subtraction problem product --the answer to a multiplication problem quotient --the answer to a division problem divisor --the number you divide by remainder --the number that remains after subtraction words used in addtion word problems --sum, total, all together words used in a subtraction word problem --how much more, how much less, find the difference, and deduct words often used in division word problems --share, split, per, average and grouped into gross --total amount of salary before deducting taxes, espenses, etc. net --amount of salary remaining after deducting taxes, expenses, etc. parentheses in a math equation --do this part first exponent --a mathematical notation indicating the number of times a quantity is multiplied by itself base number --a number that has an exponent square root --a number that when multiplied by itself equals a given number order of operations --Please Excuse My Dear Aunt Sally P - parentheses E - exponents M - multiplication D - division A - addition S - subtraction Mean or average --The sum (+) of all data divided by the number of data points median --The middle number in a set of numbers that are listed in order perimeter --the sums of the lenghts of all sides of a figure length --longer sides of a rectangle width --shorter sides of a rectangle area --the measure of flat surface inside its perimeter volume --the amount of space inside a three-dimensional figure v=(pi X r squared)h -- volumn = (pi X radius squared)height