1.  Pre-Assessment Variable Expressions and Order of Operations As you work through each problem, keep track of how many smiley faces you get and how many frown faces you get. This will help you decide how much practice you need to understand the concepts. Good luck! Click here for first question.

2. Evaluate when x = 2.  Click on the correct answer:  A. 49 A. 49  B. 14 B. 14  C. 9 C. 9  D. None of the above D. None of the above

3. Evaluate when x=2 and y=5.  Click on the correct answer:  A. 3 A. 3  B. -3 B. -3  C. 7 C. 7  D. 10 D. 10

4. Evaluate when x=2 and y=5.  Click on the correct answer:  A. 5 A. 5  B. 0.8 B. 0.8  C. 2 C. 2  D. none of the above D. none of the above

5. Evaluate the expression.  Click on the correct answer:  A. 5.75 A. 5.75  B. 17 B. 17  C. 9.75 C. 9.75  D. none of the above D. none of the above

6. Evaluate the expression.  Click on the correct answer:  A. 10 A. 10  B. 19 B. 19  C. 17 C. 17  D. None of the above D. None of the above

7. Evaluate the expression.  Click on the correct answer:  A. 19 A. 19  B. 22 B. 22  C. 28 C. 28  D. none of the above D. none of the above

8. YOU ARE CORRECT!!!!!!! NEXT QUESTION

9. YOU ARE CORRECT!!!!!!! NEXT QUESTION

10. YOU ARE CORRECT!!!!!!! NEXT QUESTION

11. YOU ARE CORRECT!!!!!!! NEXT QUESTION

12. YOU ARE CORRECT!!!!!!! NEXT QUESTION

13. YOU ARE CORRECT!!!!!!! DONE! Great Job!

14. YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

15. YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

16. YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

17. YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

18. YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

19. YOU ARE INCORRECT. GOOD TRY! DONE Great Job!