1. 2-3 Simplifying Variable Expressions
Using the properties to make expressions easier to work with.

2. What is an expression? Numerical Expression
Variable/Algebraic Expression

3. Vocabulary
Look at the diagram of an expression. In your own words, write a description/definition for each vocabulary word given.
6k + 3m – 3k

4. Vocabulary
Definitions:

5. Vocab practice Name the coefficients, like terms, and constants:
9 + 4s + 75n
68j j + 14k
7p + 4q – 13p +35q

6. Simplify the expression & justify your answer.
Simplify 9 + 4f f
You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

7. Simplify the expression & justify your answer.
Simplify (7 – 3x)5 + 20x
You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

8. Simplify the expression & justify your answer.
Simplify 2b + b – 4
You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

9. Ticket out of class
Please put your name on your paper.

10. Ticket out of class Simplify these expressions: 20a – 16a
4b – 2a + 5b + 2b + 8
14 – 2(-4k + 15)