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Napier’s Bones
DIRECTIONS: Cut along vertical lines to make strips for each number.
Napier's Bones 1 tkawas@mathwire.com
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Napier’s Bones
Napier's Bones 2 tkawas@mathwire.com
x 1 2 3 4 5 6 7 8 9
1
2
3
4
5
6
7
8
9
DIRECTIONS: Fill in the answer to each multiplication problem to create Napier’s Bones.
Napier’s Bones
Napier's Bones 3 tkawas@mathwire.com
Napier’s Bones
DIRECTIONS: Use Napier’s Bones to find the answers to the follow-
ing problems:
1. 3 x 57 = 2. 8 x 43 =
3. 5 x 98 = 4. 9 x 69 =
5. 8 x 29 = 6. 4 x 74 =
7. 3 x 126 = 8. 5 x 247 =
9. 8 x 355 = 10. 7 x 825 =
11. 9 x 184 = 12. 4 x 956 =
13. 6 x 723 = 14. 2 x 659 =
15. 3 x 4567 = 16. 4 x 1234 =
17. 5 x 1378 = 18. 7 x 2045 =
19. 20 x 356 = 20. 50 x 492 =
Napier's Bones 4 tkawas@mathwire.com
Napier’s Bones
DIRECTIONS: Use Napier’s Bones to find the answers to the follow-
ing problems:
1. 3 x 57 = 171 2. 8 x 43 = 344
3. 5 x 98 = 490 4. 9 x 69 = 621
5. 8 x 29 = 232 6. 4 x 74 = 296
7. 3 x 126 = 378 8. 5 x 247 = 1235
9. 8 x 355 = 2840 10. 7 x 825 = 5775
11. 9 x 184 = 1656 12. 4 x 956 = 3824
13. 6 x 723 = 4338 14. 2 x 659 = 1318
15. 3 x 4567 = 13,701 16. 4 x 1234 = 4936
17. 5 x 1378 = 6890 18. 7 x 2045 = 14,315
19. 20 x 356 = 7120 20. 50 x 492 = 24,600
Napier's Bones 5 tkawas@mathwire.com

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Tiras de Napier ou Napier Bones. Ferramenta muito boa para a multiplicação.

  • 1. x 1 2 3 4 5 6 7 8 9 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 2 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 3 0 3 0 6 0 9 1 2 1 5 1 8 2 1 2 4 2 7 4 0 4 0 8 1 2 1 6 2 0 2 4 2 8 3 2 3 6 5 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 6 0 6 1 2 1 8 2 4 3 0 3 6 4 2 4 8 5 4 7 0 7 1 4 2 1 2 8 3 5 4 2 4 9 5 6 6 3 8 0 8 1 6 2 4 3 2 4 0 4 8 5 6 6 4 7 2 9 0 9 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 Napier’s Bones DIRECTIONS: Cut along vertical lines to make strips for each number. Napier's Bones 1 tkawas@mathwire.com
  • 2. x 1 2 3 4 5 6 7 8 9 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 2 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 3 0 3 0 6 0 9 1 2 1 5 1 8 2 1 2 4 2 7 4 0 4 0 8 1 2 1 6 2 0 2 4 2 8 3 2 3 6 5 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 6 0 6 1 2 1 8 2 4 3 0 3 6 4 2 4 8 5 4 7 0 7 1 4 2 1 2 8 3 5 4 2 4 9 5 6 6 3 8 0 8 1 6 2 4 3 2 4 0 4 8 5 6 6 4 7 2 9 0 9 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 Napier’s Bones Napier's Bones 2 tkawas@mathwire.com
  • 3. x 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 DIRECTIONS: Fill in the answer to each multiplication problem to create Napier’s Bones. Napier’s Bones Napier's Bones 3 tkawas@mathwire.com
  • 4. Napier’s Bones DIRECTIONS: Use Napier’s Bones to find the answers to the follow- ing problems: 1. 3 x 57 = 2. 8 x 43 = 3. 5 x 98 = 4. 9 x 69 = 5. 8 x 29 = 6. 4 x 74 = 7. 3 x 126 = 8. 5 x 247 = 9. 8 x 355 = 10. 7 x 825 = 11. 9 x 184 = 12. 4 x 956 = 13. 6 x 723 = 14. 2 x 659 = 15. 3 x 4567 = 16. 4 x 1234 = 17. 5 x 1378 = 18. 7 x 2045 = 19. 20 x 356 = 20. 50 x 492 = Napier's Bones 4 tkawas@mathwire.com
  • 5. Napier’s Bones DIRECTIONS: Use Napier’s Bones to find the answers to the follow- ing problems: 1. 3 x 57 = 171 2. 8 x 43 = 344 3. 5 x 98 = 490 4. 9 x 69 = 621 5. 8 x 29 = 232 6. 4 x 74 = 296 7. 3 x 126 = 378 8. 5 x 247 = 1235 9. 8 x 355 = 2840 10. 7 x 825 = 5775 11. 9 x 184 = 1656 12. 4 x 956 = 3824 13. 6 x 723 = 4338 14. 2 x 659 = 1318 15. 3 x 4567 = 13,701 16. 4 x 1234 = 4936 17. 5 x 1378 = 6890 18. 7 x 2045 = 14,315 19. 20 x 356 = 7120 20. 50 x 492 = 24,600 Napier's Bones 5 tkawas@mathwire.com