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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 145 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.99³ =
  2. 2.97³ =
  3. 3.1013³ =
  4. 4.98³ =
  5. 5.107³ =
  6. 6.1012³ =
  7. 7.95³ =
  8. 8.106³ =
  9. 9.97³ =
  10. 10.108³ =
  11. 11.96³ =
  12. 12.107³ =
  13. 13.981³ =
  14. 14.992³ =
  15. 15.993³ =
  16. 16.1018³ =
  17. 17.1010³ =
  18. 18.994³ =
  19. 19.95³ =
  20. 20.101³ =
  21. 21.94³ =
  22. 22.101³ =
  23. 23.108³ =
  24. 24.92³ =
  25. 25.987³ =
  26. 26.1014³ =
  27. 27.97³ =
  28. 28.981³ =
  29. 29.1019³ =
  30. 30.1006³ =
  31. 31.102³ =
  32. 32.1019³ =
  33. 33.982³ =
  34. 34.99³ =
  35. 35.95³ =
  36. 36.982³ =
  37. 37.1009³ =
  38. 38.985³ =
  39. 39.991³ =
  40. 40.92³ =

Answer key

  1. 970299
  2. 912673
  3. 1039509197
  4. 941192
  5. 1225043
  6. 1036433728
  7. 857375
  8. 1191016
  9. 912673
  10. 1259712
  11. 884736
  12. 1225043
  13. 944076141
  14. 976191488
  15. 979146657
  16. 1054977832
  17. 1030301000
  18. 982107784
  19. 857375
  20. 1030301
  21. 830584
  22. 1030301
  23. 1259712
  24. 778688
  25. 961504803
  26. 1042590744
  27. 912673
  28. 944076141
  29. 1058089859
  30. 1018108216
  31. 1061208
  32. 1058089859
  33. 946966168
  34. 970299
  35. 857375
  36. 946966168
  37. 1027243729
  38. 955671625
  39. 973242271
  40. 778688

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