—— —— —— —— —— 6 —— —— —— —— Series 1 —— —— 14 —— —— 20 —— —— —— —— Series 2 —— —— —— 9 —— —— 6 5 —— —— Series 3 —— —— 5 —— —— —— —— —— —— 19 Series 4 41 —— —— —— —— —— —— 27 —— —— Series 5 —— —— —— 10 —— —— —— —— —— 49 Series 6 —— —— —— ⅛ —— —— 1 —— 4 —— Series 7 —— —— 22 —— —— —— 50 —— —— —— Series 8 —— 11 —— —— —— —— 25 —— —— —— Series 9 —— 10 —— —— 14 —— —— —— —— 10 Series 10 —— 8 —— —— —— —— 16 17 19 —— Series 11 1 —— —— —— —— 36 49 —— —— —— Series 12 2 —— —— —— —— 34 37 74 —— —— Series 13 —— 33 30 31 —— —— —— —— 24 —— Series 14 —— —— —— 15 16 16 —— —— —— 6 Series 15 —— —— 51 48 —— —— 45 —— —— 51 Series 16 _MENTIMETER NO. 10_: Addition Tests Test A: Addition Knowledge or Power. 1. 5 2. 8 3. 17 4. 79 5. 56 6. 88 7. 142 8. 248 9. 1397 10. 1664 11. 5571 12. 50362547 Test B: Addition Speed 1. 6 2. 17 3. 6 4. 11 5. 6 6. 11 7. 3 8. 9 9. 15 10. 10 11. 13 12. 7 13. 10 14. 7 15. 3 16. 5 17. 16 18. 4 19. 12 20. 11 21. 13 22. 7 23. 8 24. 13 25. 14 26. 6 27. 11 28. 8 29. 12 30. 13 31. 15 32. 18 33. 5 34. 13 35. 13 36. 14 37. 10 38. 15 39. 15 40. 12 41. 11 42. 14 43. 11 44. 11 45. 16 46. 11 47. 15 48. 12 49. 9 50. 14 51. 4 52. 9 53. 5 54. 17 55. 11 56. 7 57. 7 58. 9 59. 13 60. 12 _MENTIMETER NO. 11_: Memory for Numbers. 1. 56 2. 27 3. 935 4. 416 5. 7493 6. 4857 7. 95738 8. 68124 9. 268359 10. 635927 11. 9583624 12. 8195263 13. 35268349 14. 28593614 15. 639481725 16. 714963528 _MENTIMETER NO. 12_: Repeating Numbers Backward. 1. 85 2. 46 3. 253 4. 948 5. 4937 6. 8625 7. 35291 8. 69824 9. 752638 10. 746951 11. 4857362 12. 5746283 _MENTIMETER NO. 13_: Memory for Sentences. 1. It snows in the winter. 2. Men usually have more dignity than boys. 3. There is no excuse for being thoughtless about the rights of other people. 4. The price of peace may sometimes be much greater than a nation can afford to pay. 5. It is unfortunate that war should ever be necessary among civilized nations. 6. Their harbour is a shallow body of water, connected with, but protected from, the open sea. 7. Conscience asserting itself as the voice divine within the human soul is nothing less than a real actuality. 8. Each state appoints a number of electors equal to the whole number of senators and representatives. 9. These discoveries—gunpowder, printing-press, compass, and telescope—were the weapons before which the old science trembled.