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17 terms

Chapter 1 Math Vocab

STUDY
PLAY
variable
a letter which stands for a number
expression
any combination of numbers, variables,operations and grouping symbols
value
the number that a variable stands for
evaluate
to find the value of an expression when the value of the variables are known
substitute
to replace a variable, term, or expression with an equivalent variable, term or expression
power
repeated multiplication by the same factor
base
the repeated factor in a power
exponent
the number of times that the base is repeated
area of a square
s=side length
A=s squared
units will be squared
volume of a cube
s=side length
v=s cubed
units will be cubed
order of operations
Parentheses
Exponents
Multiplication
Division
Addition
Subtractions
integers
the set of positive and negative, whole numbers, also zero
absolute value
the distance between a number and zero on the number line
additive inverses/opposites
-numbers with same absolute value but different signs
-when added together, their sum is zero
inverse property of addition
a+(-a)=0
any number plus its opposite equals zero
definition of subtraction
a-b=a+(-b)
subtraction is the same as adding the opposite of a number
multiplication property of one
-1*a=-a
any number multiplied by negative one equals its opposite