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8th GRADE MATH--Number Sense--Part 1

Necessary Number Sense Vocabulary for 8th grade
(absolute value-expression)

AB
Absolute ValueDistance from zero, always positive
AlgorithmsA step by step method for computing
Base Number (exponent)A number used as a repeating factor
Commissiona percent of sales
Common Factor(s)a number that is a factor of two or more numbers.
Common Multiple(s)a number that is a multiple of two or more numbers.
Composite Numbera number with 3 or more factors
Counter Examplesan example that proves a statement false
Decimala symbol (.) that is used to separate whole numbers from fractional parts
Denomenatornumber below the fraction bar
Differenceanswer to a subtraction problem
Decimala symbol (.) that is used to separate whole numbers from fractional parts
Denomenatornumber below the fraction bar
Differenceanswer to a subtraction problem
DiscountA deduction made from the regular price of the product or service
Dividendnumber being divided in a division problem
Divisornumber that is doing the dividing
Equivalent FormsEqual in value
Equivalent FractionFractions that represent the same quotient, but have different numerators and denominators
ExpressionTwo terms and an operation


Keyboarding 6, Computers 7 & 8 instructor
North Middle School
Rapid City, SD

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