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6th Grade Unit 1

Numeration, Variable, Expressions, and Properties

TermDefinition
Base A number multiplied by itself the number of times shown by an exponent.
Exponent The number that tells how many times the base is multiplied by itself.
Evaluate To find a value that an algebraic expression names by replacing a variable with a given value.
Numerical Expression A mathematical phrase involving only numbers and one or more operational symbols.
Sum The answer in an addition problem.
Difference The answer in a subtraction problem.
Product The answer in a multiplication problem.
Quotient The answer in a division problem.
Term A single number of variable or numbers and variable multiplied together. Terms are separated by + or - signs.
Factor A number that divides another number without a remainder.
Coefficient The number that is multiplied by a variable in an algebraic expression. For example: for 6x + 5, the coefficient is 6.
Algebraic Expression The mathematical phrase that has at least one variable and one operation.
Substitute Replacing the variable of an expression or equation with a number.
Order of Operations A set of rules mathematicians use to determine the order in which operations are performed
Generate To produce or create.
Equivalent Expressions Expressions that equal the same amount.
Commutative Property The property that states the order of the addends or the order of factors does not affect the sum or product.
Associative Property The property that states the way in which addends or factors are grouped does not affect the sum or product.
Distributive Property Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the products.
Created by: KHenik
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