3. Which operation should be done first? 3 + 4 x 2

4. Which operation should be done next? 3 + 8

5. That’s correct! Try the next one.

6. Sorry. Try again.

7. Which operation should be done first? 8 – 5 + 2

8. Which operation should be done next? 3 + 2

9. That’s correct! Try the next one.

10. Which operation should be done first? 6 + 11 - 5

11. Which operation should be done next? 17 - 5

12. That’s correct! Try the next one.

13. Which operation should be done first? 10 – 4 x 2

14. Which operation should be done next? 10 – 8

15. That’s correct! Try the next one.

16. Which operation should be done first? 8 + 32 ÷ 4

17. Which operation should be done next? 8 + 8

18. That’s correct! Try the next one.

19. Which operation should be done first? 2 + 6 x 4

20. Which operation should be done next? 2 + 24

21. That’s correct! Try the next one.

22. Which operation should be done first? (11 + 1) ÷ 2

23. Which operation should be done next? 12 ÷ 2

24. That’s correct! Try the next one.

25. Which operation should be done first? 4 x (3 + 5)

26. Which operation should be done next? 4 x 8

27. That’s correct! Try the next one.

28. Which operation should be done first? 11 + 5 x 3 - 1

29. Which operation should be done next? 11 + 15 - 1

30. Which operation should be done next? 26 - 1

31. That’s correct! Try the next one.

32. Which operation should be done first? 3 x 12 ÷ 4 + 2

33. Which operation should be done next? 36 ÷ 4 + 2

34. Which operation should be done next? 9 + 2

35. That’s correct! Try the next one.

36. Which operation should be done first? 8 ÷ (5 – 1) x 3

37. Which operation should be done next? 8 ÷ 4 x 3

38. Which operation should be done next? 2 x 3

39. That’s correct! Try the next one.

40. Which operation should be done first? (10 + 20) ÷ 3 x 5

41. Which operation should be done next? 30 ÷ 3 x 5

42. Which operation should be done next? 10 x 5

43. That’s correct! Try the next one.

44. Which operation should be done first? (10 + 20)  (3 x 5)

45. Which operation should be done next? 30  (3 x 5)

46. Which operation should be done next? 30  15

47. That’s correct! Try the next one.

48. Which operation should be done first? 24  (1 + 1)² x 3

49. Which operation should be done next? 24  2² x 3

50. Which operation should be done next? 24  4 x 3

51. Which operation should be done next? 6 x 3

52. That’s correct! Try the next one.

53. Which operation should be done first? 2³ + (5 – 3)²

54. Which operation should be done next? 2³ + 2²

55. Which operation should be done next? 8 + 2²

56. Which operation should be done next? 8 + 4

57. That’s correct! Try the next one.

58. Which operation should be done first? (2 + 4)² - (4 – 1)³

59. Which operation should be done next? 6² - (4 – 1)³

60. Which operation should be done next? 6² - 3³

61. Which operation should be done next? 36 - 3³

62. Which operation should be done next? 36 - 27

63. That’s correct! Try the next one.

64. Which operation should be done first? (9 – 2 x 3)²

65. Which operation should be done next? (9 – 6)²

66. Which operation should be done next? 3²

67. That’s correct! Try the next one.

68. Which operation should be done first? (5 x 3) – (3² + 1)

69. Which operation should be done next? 15 – (3² + 1)

70. Which operation should be done next? 15 – (9 + 1)

71. Which operation should be done next? 15 – 10

72. That’s correct! Try the next one.

73. Which operation should be done first? [24  (5 + 3)]³

74. Which operation should be done next? (24  8 )³

75. Which operation should be done next? 3³3³

76. That’s correct! Try the next one.

77. Which operation should be done first? [(5 x 6)  (2 + 1) – (12 – 7)]²

78. Which operation should be done next? [30  (2 + 1) – (12 – 7)]²

79. Which operation should be done next? [30  3 – (12 – 7)]²

80. Which operation should be done next? (30  3 – 5)²

81. Which operation should be done next? (10 – 5)²

82. Which operation should be done next? 5²

83. That’s correct!

85. Credits http://ae.tut.fi/icons/gif s/others/opus.gifhttp://ae.tut.fi/icons/gif s/others/opus.gif

86. What next? Begin againQuit