Chapter 1 Math Vocab

Created by samvelleca 

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17 terms

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

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