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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 620 · 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. 1.1007³ =
  2. 2.93³ =
  3. 3.991³ =
  4. 4.91³ =
  5. 5.99³ =
  6. 6.986³ =
  7. 7.94³ =
  8. 8.96³ =
  9. 9.91³ =
  10. 10.92³ =
  11. 11.1002³ =
  12. 12.108³ =
  13. 13.97³ =
  14. 14.92³ =
  15. 15.997³ =
  16. 16.1012³ =
  17. 17.1015³ =
  18. 18.106³ =
  19. 19.1005³ =
  20. 20.109³ =
  21. 21.989³ =
  22. 22.989³ =
  23. 23.108³ =
  24. 24.1013³ =
  25. 25.1004³ =
  26. 26.106³ =
  27. 27.107³ =
  28. 28.985³ =
  29. 29.94³ =
  30. 30.990³ =
  31. 31.101³ =
  32. 32.1019³ =
  33. 33.981³ =
  34. 34.1019³ =
  35. 35.102³ =
  36. 36.97³ =
  37. 37.994³ =
  38. 38.992³ =
  39. 39.93³ =
  40. 40.103³ =

Answer key

  1. 1021147343
  2. 804357
  3. 973242271
  4. 753571
  5. 970299
  6. 958585256
  7. 830584
  8. 884736
  9. 753571
  10. 778688
  11. 1006012008
  12. 1259712
  13. 912673
  14. 778688
  15. 991026973
  16. 1036433728
  17. 1045678375
  18. 1191016
  19. 1015075125
  20. 1295029
  21. 967361669
  22. 967361669
  23. 1259712
  24. 1039509197
  25. 1012048064
  26. 1191016
  27. 1225043
  28. 955671625
  29. 830584
  30. 970299000
  31. 1030301
  32. 1058089859
  33. 944076141
  34. 1058089859
  35. 1061208
  36. 912673
  37. 982107784
  38. 976191488
  39. 804357
  40. 1092727

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