Foundations Vocabulary

2. to replace a variable with a given number.
3. numbers can be added or multiplied in any order
4. the opposite operation that will reverse the original operation
6. the number of times a number or variable (base) is used as a factor (repeated multiplication). Also called the power. For example, 2 to the 3rd power means 2x2x2.
8. A value that does not change
10. includes the equal sign. (3x+4=32)
11. terms with the same variable AND the same exponent
13. perform mathematical operations to get the variable alone or apart from others
14. a number multiplied by a variable in an algebraic expression
15. Slope falls from the left to right
16. Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication
17. Set of rules that mathematicians follow to solve and/or equations and simplify expressions

1. Slope rises from the left to right
5. A mathematical phrase that contains operations, numbers, and/or variables.
6. simplify an equation or expression using the given values for the variables
7. A positive or negative whole number with no fractional part.
9. the sum of a number and its opposite is 0; the product of a number and its reciprocal is 1
12. a mathematical phrase involving at least one variable and sometimes numbers and operation symbols; example: 8n+3