GED Math

the answer to an addition problem

the answer to a subtraction problem

the answer to a multiplication problem

the answer to a division problem

the number you divide by

the number that remains after subtraction

sum, total, all together

how much more, how much less, find the difference, and deduct

share, split, per, average and grouped into

total amount of salary before deducting taxes, espenses, etc.

amount of salary remaining after deducting taxes, expenses, etc.

do this part first

a mathematical notation indicating the number of times a quantity is multiplied by itself

a number that has an exponent

a number that when multiplied by itself equals a given number

Please Excuse My Dear Aunt Sally P - parentheses E - exponents M - multiplication D - division A - addition S - subtraction

The sum (+) of all data divided by the number of data points

The middle number in a set of numbers that are listed in order

the sums of the lenghts of all sides of a figure

longer sides of a rectangle

shorter sides of a rectangle

the measure of flat surface inside its perimeter

the amount of space inside a three-dimensional figure v=(pi X r squared)h -- volumn = (pi X radius squared)height

a small part or item forming a piece of a whole

the part of a fraction above the line, which tells how many parts are being counted.

the part of a fraction below the line, which tells how many equal parts there are in the whole or in the group.

different fractions that name the same amount

the smallest equivalent fraction

a fraction whose numerator is larger than the denominator

a number made up of a whole number and a fraction

the smallest number, other than zero, that can be the denominator for two or more common fractions

a three-sided polygon

add all the sids

A=1/2 bh -- Area = 1/2 base X height

a triangle with one right angle

similar to a rectangle, four sids, and each pair of opposite sides are parallel and equal

A = bh -- Area=base x height

365 days 52 weeks 12 months

16 ounces 2 cups

32 ounces 4 cups

4 quarts 128 ounces 16 cups

12 inches

3 feet 36 inches

16 ounces

2,000 pounds

approx. 1 quart

1/1000 of a liter

1/28 of an ounce

1/1000 of a gram

1000 grams 2.2 pounds

39 inches

1/1000 of a meter

1000 meters .62 miles

0.1

0.01

0.001

0.0001

0.00001

the distance around a circle c=pi X d -- circumfrence = pi X diameter

exact middle of a circle

is the line segment connecting the center of the circle to any point on the circle

r=d/2 -- radius=diameter/2

A line that passes through the center of the circle, connecting any two points

d=2r -- diameter=2 X radius

3.14

the units volume is measured in

a type of graph used to show the relationship between two variables that are numbers on an x-axis and a y-axis

a circular chart divided into triangular areas proportional to the percentages of the whole

a set of data arranged in rows and columns

a graph that uses horizontal or vertical bars to display data

a line for representing and graphing numbers. Each point on the line corresponds to a number.

an algebraic expression consisting of a single term that does not require any addition or subtraction -- 5y

a number that is being multiplied to be a variable -- in 5y the 5

a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity -- in 5y the y

if the signs are the same (-,-) or (+,+) add the 2 numbers and label with the sign 7 + 3 = 10 -5 + (-3) = -8

If the signs are different (-,+) or (+,-) arrange with the larger number first then subtract then label the answer with the sign of the larger number 4 + -6 = -6 + 4 = -2

step 1: change the subtraction problem into an addition problem

step 2: change the sign of the second number

step 3: follow the rules of adding numbers with signs

• 16 - 6 step 1: -16 + 6 = step 2: -16 + (-6) = step 3: -16 + (-6) = -22

12 - (-7) = 12 + (-7) = 12 + 7 = 12 + 7 = 19

Signs are alike -- answer is positive Signs are different -- answer is negative

a comparison of two numbers

the initial point of an angle

angle that is 90 degrees

angle that measures less than 90 degrees

An angle that measures more than 90 degrees but less than 180 degrees

an angle that measures exactly 180 degrees

Two angles whose sum is 90 degrees

Two angles whose sum is 180 degrees

a line that divides the angle in half

either of two equal and opposite angles formed by the intersection of two straight lines

a line that intersects two or more parallel lines

a triangle with three equal sides -- all angles = 60 degrees (sum of all angles is 180)

Triangle with 2 equal sides and 2 equal angles (sum of all angles is 180)

A triangle with sides of different lengths and no two angles are the same (sum of all angles is 180)

one of the angles is always 90 degrees, the other two sides could be the same or different but will always = 90 degrees (sum of all angles is 180)

the sum of all angles of a triangle always adds up to 180 degrees

similar triangles have corresponding angles that are equal and corresponding sides that are proportional

a²+b²=c² where c always represents the hypotenuse and a and b represent the other sides of a right triangle