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12 Cards in this Set

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numerical expression
Numbers and operations to be performed on them. 2+1-3
variable
A letter used to represent one or more numbers. Example=x.
variable expression
Numbers and variables and operations to be performed on them. x+1-3
power
Two parts: base and exponent
order of operations
Parentheses
Exponents
Multiplication/Division
Addition/Subtraction
formula
Numbers, operations, and two or more variables. Used to find something specific, like Area or Perimeter.
sequence
An ordered list of numbers.
commutative property of addition
In a sum, you can add terms in any order. a+b=b+a or 6+9=9+6
commutative property of multiplication
In a product, you can multiply factors in any order. a*b=b*a or 4*7=7*4
associative property of addition
Changing the grouping of terms will not change the sum. (a+b)+c=a+(b+c) or
(9+5)+6=9+(5+6)
associative property of multiplication
Changing the grouping of factors will not change the product. (a*b)*c=a*(b*c)
distributive property
a(b+c)=ab+ac
4(3+8)=4(3)+4(8)