###
PERIMETER

add up all of the sides

###
AREA

multiply the LENGTH by the WIDTH

###
VOLUME

multiply the LENGTH by the WIDTH by the HEIGHT

###
ADDITION

in all, total, altogether

###
SUBTRACTION

difference, how many more, left, spent, give away

###
DIVISION

equal groups, split evenly, share evenly, quotient, remainder

###
LONG DIVISION

Divide, Multiply, Subtract, Bring Down (Repeat)

###
FACTORS

Numbers that are multiplied together to get a product

###
PRODUCT

the answer in a multiplication problem

###
SUM

the answer in a addition problem

###
QUOTIENT

the answer in a division problem

###
DIFFERENCE

the answer in a subtraction problem

###
AVERAGE

add up all the numbers, then divide by the # of addends

###
ADDENDS

numbers added together

###
DIVIDEND

the number that is being divided

###
NUMERATOR

the top number in a fraction

###
DENOMINATOR

the bottom number in a fraction

###
IMPROPER FRACTION

the numerator is larger than the denominator

###
MODE

the # that occurs MOST often

###
MULTIPLE

the product of a whole # and any other whole #

###
PARALLEL LINES

lines that do not intersect

###
INTERSECTING LINES

lines that cross at one point

###
PERPENDICULAR LINES

lines that form right angles when they cross

###
PRIME NUMBER

a whole # that only has two factors; itself and 1

###
SIMILAR FIGURES

have the same shape

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