2. 15 - (-16) -13 - (-17)

3. -32 - 70 -41 + (-5)

4. -80 + 16 143 + 53

5. (-7)(9) (-5)(-1)(6)

6. (-13)(-6) (-3)(-2)(-3)(-2)

15. Evaluate the expression x - y for x = 4 and y = -8.

16. Evaluate the expression xyz for x = -2, y = -5, and z = -3.

17. Write the number in words: 65,734 Write the number in words: 504 Write the number in words: 32,318,423

18. Write as a number: forty-two thousand, nine hundred twenty-two Write as a number: three hundred fifty billion, seven hundred thirty-two million, four hundred five thousand, two hundred thirty-three

19. Write as a decimal: six and three hundred forty seven thousandths Write as a decimal: seventy nine and sixty five hundredths

20. Simplify:

26. Evaluate using the given variables: x = -3, y = 1, z = 6:

27. Evaluate using the given variables: x = -2, y = 7, z = 3:

28. Evaluate using the given variables: x = -3, y = 4, z = 2:

29. Evaluate using the given variables: x = -2, y = -1, z = 3:

30. Evaluate using the given variables: x = -3, y = -2, z = 6:

31. Solve:

32. Solve and graph:

33. Solve: Evaluate x 2 + 3 when x = - 8

34. Simplify:

35. Simplify: 4x - 9y - 12x + 15y

36. Simplify: 6x - (2x - 5) + 7 Simplify: 13x 3 + 4x 3

37. Solve: x - 5 < -13 Simplify: -7(-y - 3)

38. Simplify: -9x - 8(-7 + 2x) Solve: 7w = 63

39. Solve: Evaluate if b = -3: 4(2b + 1 ) 3

40. Add: Evaluate if a = -13 and b = 7:

41. Evaluate if x = -9, y = -18, z = -11: x - y - z Add/Subtract: 1 + (-48) + 34

42. Add/Subtract: -90 - (-13) Compare:

43. Simplify: -5(a + b) The area of a rectangle is length times width, A = lw. What is the area of a rectangle measuring by ?

44. Order from least to greatest: Order from greatest to least:

45. Translate to an algebraic equation and solve: The sum of a number and fourteen is forty-six. Compare:

46. Translate to an algebraic equation and solve: The product of nine and a number is seventy-two. Translate to an algebraic equation and solve: The difference of a number and eighteen is three.

47. Translate to an algebraic equation and solve: The quotient of a number and six is eleven. Evaluate if a = 11, b = 7, and c = 6: a + (5b + 3c)

48. Simplify: 8(2) - (12 + 3) Simplify: 6 [ (24 - 4) ÷ (-4) ]

49. Round to the nearest tens: 58,239 Round to the nearest hundredths: 28.127 Round to the nearest thousands: 9,705,345.268

50. Marie bought a dress for $13.99 and a coat for $27.50. What is the best way to estimate the total cost of the purchase? Find the least common multiple (LCM) of 15 and 12. Find the least common multiple (LCM) of 6 and 10.

51. Find the least common multiple (LCM) of 4, 12, and 16. Add:

52. Multiply: Subtract:

53. Divide: Solve: x - 23 < -12

54. Solve: -7x > -21