Math review on operations with integers and order of operations

1. Integers and Rational Numbers MATH

4. Integers I

5. Integers II

6. Coordinate Plane

7. Order of Operations (Part I)

8. Order of Operations (Part II)

9. Tweeners and Ordering

10. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $ 100 $200 $300 $400 $500 Tweeners and Ordering Integers I Integers II Coordinate Plane Order of Operations (Part I) Order of Operations (Part II)

11. Explain why all integers are rational numbers.

12. All integers are rational numbers because every integer number can be written as a fraction by putting one in the denominator.

13. How would you express 77 feet below sea level as an integer?

14. What is -77ft?

15. I wrote all integers from -10 to 10 (including -10 and 10) on slips of paper and put them in a bag. What is the probability that I will choose a positive number?

16. What is 10/21 (remember 0 is an integer)?

17. Find the following: │ -35│ What do the signs around -35 mean?

18. What is 35 and the signs mean absolute value?

19. What is the result when you multiply two negatives together? What about 3, 4 or 5 negatives? Write a rule so that you will know the result (positive or negative) of multiplying many negatives together.

20. (-)(-) = + (-)(-)(-) = - (-) (-)(-)(-) = + (-) (-) (-)(-)(-) = - If you have an even amount of negative factors, the answer is positive, if you have an odd amount of negative factors the answer is negative?

21. Solve: 3 + (-14) + (-13)

22. What is -24?

23. Find the product: (8)(-6)(-5)

24. What is 240?

25. Find quotient: -72 ÷ (-2) ÷ (-9)

26. What is -4?

27. Find the difference. (-8) – (-2) – 7 – (-1)

28. What is -12?

29. Find the product. 5 x (-3) x (-5) x (-10) x 2

30. What is -1500?

31. Write the following point on the coordinate plane: (-2, 7) (0, -2) (5, -6) (-1, -4)

32. What is (-2, 7) (5, -6) (-1, -4) (0, -2)

33. Label the following points on the coordinate plane Quadrant I, Quadrant II, Quadrant III, Quadrant IV, origin, x-axis, y-axis .

34. What is y-axis Quad II x-axis origin Quad IV Quad III Quad I

35. 3 of the 4 vertices of a rectangle are (2, 8); (2, -2); and (10, -2). Draw the fourth vertex, label each one and connect the dots to make your rectangle.

36. What is (2, 8) (10, 8) (10, -2) (2, -2)

37. Plot the following points and connect the dots (do not connect the last dot to the first). (-8, -9); (-8, 10); (0, 0); (9, 10); (9, -9) What do you get?

38. What is an ‘M’?

39. I plotted a square on my coordinate plane, but I wont tell you all its points. You know each side measures 6 units, each vertex is in a different quadrant and one vertex is at (2, 1). What are the other vertices of my square?

40. What are (2, -5); (-4, -5); and (-4, 1) ?

41. Solve: (8 + 7 – (-2)) x (-2)

42. What is -34?

43. Solve: 10 – 25 x (-3) ÷ 15

44. What is 15?

45. Solve: ((11 + 7 – (-3)) x 2) ÷ (-3)

46. What is -14?

47. Solve: -5 x 18 – ((-5) 2 – (-18))

48. What is -133?

49. Solve: (4 x 6 x 7 – (-6 – 10) 2 ) ÷ ((– 8) ÷ (1 – (- 9 – -9)) x 8)

50. What is 88?

51. Find the missing number: 5 + 2 – (3 – 6 ÷ ? ) = 5

52. What is 6?

53. Find the missing number: ? + (-9 x 2) ÷ (1 – (-5)) = -15

54. What is -12?

55. Insert one pair of parentheses to make the statement true. 2 + 6 x 5 + 6 + 1 = 47

56. What is (2 + 6) x 5 + 6 + 1 = 47?

57. Insert the following operations to make the sentence true: – , x, +, + 5 __ 3 __ 2 __ 6 __ 4 = 19

58. What is 5 x 3 + 2 + 6 – 4 = 19?

59. Insert the following numbers to make the sentence true -5, -4, -2, 6, 15 __ + (__ + __ – __) ÷ __ = 3

60. What is 6 + (15 + -5 – -2) ÷ -4 = 3?

61. Find a number between -9.42 and -9.43

62. What is (answers may vary)?

63. Find a fraction between 3/7 and 3/8.

64. What is 6/15 (other answers are possible) ?

65. Find a number between 2 20 19 2.92 and

66. What is any number between 2.92 and 2.95 ?

67. Put in order from least to greatest: 5 ; 7 ; ; 4 0 -1 4 5 -6 3

68. What is 4 ; 0 ; ; 4 -6 -1 5 5 7 3

69. Put in order from least to greatest: -3 -3 ; 3 4 ; -13 ; 6 2 -9 8 1

70. What is ; 4 -13 6 2 -3 ; -3 ; 3 -9 8 1