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a number used to multiply a variable
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terms list
coefficient
a number used to multiply a variable
absolute value
how far a number is from zero
variable
a symbol for a number we don't know yet
integers can have fractions and decimals, whole numbers can't
what is the difference between integers and whole numbers
exponent
shows how many times a number is supposed to be multiplied
expression
numbers grouped together to show the value of something
equation
says two things are the same
expressions group numbers together to show value, equation shows that something is the same
what is the difference between expression and equation
prime number
a number that can only be divided by one and itself
complementary angles
two angles that add up to 90º
parallelogram
opposite sides are parallel
obtuse angle
angle is over 90º but less than 180º
perpendicular lines
lines that meet at right angles
congruent
same
factors
numbers you multiply to get more numbers
supplementary angles
two angles that add up to 180º
vertical angles
the angles across from each other when other angles cross
180º
What do the angles of a triangle add up to?
90º
What do the angles of a quadrilateral add up to?
commutative properties
changing the order of the values you are adding or multiplying does not change the sum or product
associative properties
changing the grouping of the values you are adding or multiplying does not change the sum pr product
identity properties
the sum of any number and zero is the original number
distributive property
to multiply a sum or difference, multiply each number within the parentheses by the number outside the parentheses
parentheses, exponent, multiply, divide, add, subtract
What does PEMDAS stand for?
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