Vocabulary

9. A mathematical sentence that contains letters, numbers and operators.
10. A letter that represents a number.
12. Numbers that are multiplied together.
14. of a monomial the sum of the exponents of the variables of a monomial
15. quantities that are counted
16. the coefficient of the highest degree term
18. The rule that says that two numbers must either be equal to, less than, or greater than
19. How many times to repeat the base
21. a(b+c) = ab + ac

1. The rules that say which calculation comes first in an expression
2. the sum (or difference) of monomials
3. an expression that is a number, variable or a product of numbers and variables
4. what you do to one side of the equal sign, you must do to the other
5. the sum (or difference) of three monomials
6. Substituting values in place of the variables and finding the result.
7. To replace a variable with its value
8. The repeated factor
11. that are measured
13. Using inverse operations to rearrange an equation or formula in terms of one of its variables.
17. the numerical factor of a monomial
20. the sum (or difference) of two monomials