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# Math Quarterly 1

### Topics 1,2,3,4 and 15

TermDefinition
expanded form a number written out as a sum of the place value of its digits
trillions a place value or period of place values for numbers greater than billions
base a number multiplied by itself the number of times shown by an exponent
power the number of times a base number is multiplied by itself
exponential form when a number is written with a base and an exponent
decimal a number with one or more digits to the right of the decimal point
variable a quantity that changes or varies, often represented with a letter
coefficient the number that is multiplied by a variable in an algebraic expression
algebraic expression a mathematical phrase that has at least one variable and one operation
Commutative Property of Addition or Multiplication the properties that state that the order of the addends or the order of factors does not affect the sum or product
Associative Property of Addition or Multiplication the properties that state that the way in which addends or factors are grouped does not affect the sum or product
Identity Property of Addition or Multiplication the properties that state that the sum of any number and zero is that number and the product of any umber and one is that number
order of operations a set of rules mathematicians use to determine the order in which operations are performed
Distributive Property multiplying a sum by a number produces the same result as multiplying each addend by the number and adding the products
Created by: andrewburke2