Pre-Algebra

1
Pre-Algebra

• Pre-test

2
Instructions

• Show all of your work on your paper.
• Number the problems appropriately.
• Be organized.
• Relax.
• Take your time.

3
Solve

• 1. 54 139
• 2. 90 27
• 3. 81 - 50

4
Use lt, gt, or to fill in the blank.

• 4. -14 ___ -1
• 5. 12 x 3 6 x 6
• 6. -2 x -6 4 x -3
• 7. 27 ? 3 6 x 4

5
Find each productor quotient.

• 8. 56 ? 4
• 9. 11 x 9
• 10. 169 ? 13
• 11. 2727 ? 9

6
Simplify

• 12. 5 x (2 5) x 3
• 13. 12(-14 8) 3

7
Fill in the Blank

• 14. 9 18
• 15. 36 ? 9
• 16. X (-10) -50

8
Put in order fromleast to greatest.

• 17. .75, 7.5, .075, 75
• 18. .9, 6/11, .3, 1/10

9
Simplify.

• 19. 2.5 5.11
• 20. 6.12 - 5.1
• 21. 2.6 x 1.5
• 22. 16.9 ? 1.3

10
What is the Greatest CommonFactor of these pairs
of numbers?

• 23. 20, 30
• 24. 56, 72
• 25. 25, 50

11
What is the Lowest CommonMultiple of these
numbers?

• 26. 15, 20
• 27. 24, 72

12
Answer

• A. What is a factor.
• B. What is a multiple.

13
Write in simplest form

• 28. 20/22
• 29. 9/27
• 30. 30/15
• 31. 65/20

14
Solve

• 32. 7/10 5/9
• 33. 7/9 - 2/3
• 34. 9/10 x 2/7
• 35 5/8 ? 1/2

15
Turn these fractions todecimals

• 36. 4/5
• 37. 1/9
• 38. 11/5

16
Turn these decimals to fractions

• 39. .6
• 40. .07
• 41. .00001

17
Solve these equations

• 42. X 18 6
• 43 y - 31 42
• 44 x/7 5
• 45 6x 96

18
Combine like terms

• 46. 3n n
• 47. 6x x 4 5x
• 48. 2(a3)