2. IT’S TIME FOR… BASIC ALGEBRA REVIEW! JACOB M. LIGHTBODY © 2016 LESSON #1: BEGINNER LEVEL (+ & - ONLY)

3. D IRECTIONS: T RY TO SOLVE THE FOLLOWING PROBLEMS USING MENTAL MATH. C LICK ON YOUR ANSWER CHOICE ONCE YOU’VE MADE UP YOUR MIND.

4. R EMINDER: Y OU MAY FIND IT HELPFUL TO USE THE ANSWER CHOICES AS HINTS.

5. 1.) U SE MENTAL MATH TO FIND THE ANSWER. 3 + n = 10 A.) n = 7 B.) n = 13 C.) n = 5 D.) n = 8

6. G O B ACK! G O F ORWARD!

7. G O F ORWARD!

8. 2.) U SE MENTAL MATH TO FIND THE ANSWER. x - 4 = 12 A.) x = 12 B.) x = 10 C.) x = 16 D.) x = 8

9. G O B ACK! G O F ORWARD!

10. G O F ORWARD!

11. 3.) U SE MENTAL MATH TO FIND THE ANSWER. 12 + y = 20 A.) y = 11 B.) y = 9 C.) y = 8 D.) y = 6

12. G O B ACK! G O F ORWARD!

13. G O F ORWARD!

14. 4.) U SE MENTAL MATH TO FIND THE ANSWER. 19 - n = 11 A.) n = 7 B.) n = 8 C.) n = 9 D.) n = 10

15. G O B ACK! G O F ORWARD!

16. G O F ORWARD!

17. 5.) U SE MENTAL MATH TO FIND THE ANSWER. 5 = 4 + y A.) y = 6 B.) y = 5 C.) y = 3 D.) y = 1

18. G O B ACK! G O F ORWARD!

19. G O F ORWARD!

20. 6.) U SE MENTAL MATH TO FIND THE ANSWER. 3 = 9 - n 3 = 9 - n A.) n = 6 B.) n = 3 C.) n = 12 D.) n = 7

21. G O B ACK! G O F ORWARD!

22. G O F ORWARD!

23. 7.) U SE MENTAL MATH TO FIND THE ANSWER. 16 + x = 20 A.) x = 8 B.) x = 4 C.) x = 24 D.) x = 6

24. G O B ACK! G O F ORWARD!

25. G O F ORWARD!

26. 8.) U SE MENTAL MATH TO FIND THE ANSWER. 6 = x + 4 A.) x = 2 B.) x = 4 C.) x = 8 D.) x = 10

27. G O B ACK! G O F ORWARD!

28. G O F ORWARD!

29. 9.) U SE MENTAL MATH TO FIND THE ANSWER. 7 - n = 4 A.) n = 11 B.) n = 15 C.) n = 3 D.) n = 12

30. G O B ACK! G O F ORWARD!

31. G O F ORWARD!

32. 10.) U SE MENTAL MATH TO FIND THE ANSWER. 12 = n - 4 A.) n = 9 B.) n = 16 C.) n = 20 D.) n = 10

33. G O B ACK! G O F ORWARD!

34. G O F ORWARD!