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6th Grade Unit 1
Numeration, Variable, Expressions, and Properties
Term | Definition |
---|---|
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. |