1. Combining Like Terms

2. Constant Vocabulary A number with nothing else attached to it.
Examples: 1, 2, 47, 925

3. Variable Vocabulary A letter that represents an unknown number.
Examples: a, b, x, y

4. Vocabulary
Constant
A constant is the number with nothing else attached to it.
Example: 1, 2, 47, 925

5. Coefficient Vocabulary The number in front of the variable.
Examples: 3x is the coefficient
-2x is the coefficient

6. Exponent Vocabulary The number “on top” of the variable.
Example: x³ 3 is the exponent

7. Simplify Vocabulary Rewrite an expression as simply as possible.
Reducing to lowest terms.

8. 5 + 3 8

9. 5 cats + 3 cats
8 cats

10. 5 boxes + 3 boxes
8 boxes

11. 5 pillows + 3 pillows
8 pillows

12. 5a + 3a 8a

13. 5b + 3b 8b

14. 5c + 3c 8c

15. 5 cats + 3 dogs
5 cats + 3 dogs

16. 5 apples + 3 oranges
5 apples + 3 oranges

17. 8

18. 8

19. 8

20. 12r – 8 – 12
12r –8 –12

21. 12r –8 –12
12r – 20