1. Monomials – Addition / Subtraction Monomial - a single term item that is a variable or constant. They can contain many variables or be combined.

2. Monomials – Addition / Subtraction

3. ** notice there are NO addition or subtraction signs separating any of the numbers or variables.

4. Monomials – Addition / Subtraction ** notice there are NO addition or subtraction signs separating any of the numbers or variables. ** ALSO, numbers that appear in front of variables not separated by an addition or subtraction sign are called coefficients.

5. Monomials – Addition / Subtraction

7. We can add and subtract LIKE variables.

8. Monomials – Addition / Subtraction We can add and subtract LIKE variables. Like variables look exactly the same except for their coefficients.

9. Monomials – Addition / Subtraction

10. ** when variables are not in alphabetical order, I like to rewrite the monomial in alphabetic order to find my like variables…

11. Monomials – Addition / Subtraction - Exponents MUST be the SAME

12. Monomials – Addition / Subtraction - Exponents MUST be the SAME - ALL letters must match

13. Monomials – Addition / Subtraction - Exponents MUST be the SAME - ALL letters must match - Again, ALL letters must match

14. Monomials – Addition / Subtraction

30. The perimeter is the distance around the edges of the figure added.

31. Monomials – Addition / Subtraction

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