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Multiply by 12 Worksheet

Vedic maths trick 21: Multiply by 12 · Set 439 · 40 sums
TalentJR

The trick (Sopantyadvayamantyam): Write a 0 in front of the number. Each answer column = twice the digit + the digit to its right (nothing to the right of the last digit). Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.2160 × 12 =
  2. 2.1808 × 12 =
  3. 3.6803 × 12 =
  4. 4.5072 × 12 =
  5. 5.1194 × 12 =
  6. 6.8574 × 12 =
  7. 7.1216 × 12 =
  8. 8.9395 × 12 =
  9. 9.1805 × 12 =
  10. 10.4969 × 12 =
  11. 11.1471 × 12 =
  12. 12.151 × 12 =
  13. 13.6501 × 12 =
  14. 14.189 × 12 =
  15. 15.854 × 12 =
  16. 16.2823 × 12 =
  17. 17.9221 × 12 =
  18. 18.667 × 12 =
  19. 19.1782 × 12 =
  20. 20.3910 × 12 =
  21. 21.7612 × 12 =
  22. 22.1347 × 12 =
  23. 23.9610 × 12 =
  24. 24.7687 × 12 =
  25. 25.9069 × 12 =
  26. 26.5300 × 12 =
  27. 27.5341 × 12 =
  28. 28.1255 × 12 =
  29. 29.8391 × 12 =
  30. 30.1164 × 12 =
  31. 31.1780 × 12 =
  32. 32.9094 × 12 =
  33. 33.6596 × 12 =
  34. 34.310 × 12 =
  35. 35.7485 × 12 =
  36. 36.1500 × 12 =
  37. 37.98 × 12 =
  38. 38.8918 × 12 =
  39. 39.7348 × 12 =
  40. 40.6565 × 12 =

Answer key

  1. 25920
  2. 21696
  3. 81636
  4. 60864
  5. 14328
  6. 102888
  7. 14592
  8. 112740
  9. 21660
  10. 59628
  11. 17652
  12. 1812
  13. 78012
  14. 2268
  15. 10248
  16. 33876
  17. 110652
  18. 8004
  19. 21384
  20. 46920
  21. 91344
  22. 16164
  23. 115320
  24. 92244
  25. 108828
  26. 63600
  27. 64092
  28. 15060
  29. 100692
  30. 13968
  31. 21360
  32. 109128
  33. 79152
  34. 3720
  35. 89820
  36. 18000
  37. 1176
  38. 107016
  39. 88176
  40. 78780

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