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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 197 · 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. 1.97³ =
  2. 2.999³ =
  3. 3.109³ =
  4. 4.1005³ =
  5. 5.1007³ =
  6. 6.1018³ =
  7. 7.1010³ =
  8. 8.999³ =
  9. 9.104³ =
  10. 10.987³ =
  11. 11.99³ =
  12. 12.108³ =
  13. 13.109³ =
  14. 14.96³ =
  15. 15.994³ =
  16. 16.101³ =
  17. 17.999³ =
  18. 18.92³ =
  19. 19.986³ =
  20. 20.1020³ =
  21. 21.985³ =
  22. 22.97³ =
  23. 23.992³ =
  24. 24.104³ =
  25. 25.94³ =
  26. 26.96³ =
  27. 27.988³ =
  28. 28.105³ =
  29. 29.105³ =
  30. 30.98³ =
  31. 31.106³ =
  32. 32.987³ =
  33. 33.106³ =
  34. 34.107³ =
  35. 35.102³ =
  36. 36.101³ =
  37. 37.93³ =
  38. 38.984³ =
  39. 39.91³ =
  40. 40.996³ =

Answer key

  1. 912673
  2. 997002999
  3. 1295029
  4. 1015075125
  5. 1021147343
  6. 1054977832
  7. 1030301000
  8. 997002999
  9. 1124864
  10. 961504803
  11. 970299
  12. 1259712
  13. 1295029
  14. 884736
  15. 982107784
  16. 1030301
  17. 997002999
  18. 778688
  19. 958585256
  20. 1061208000
  21. 955671625
  22. 912673
  23. 976191488
  24. 1124864
  25. 830584
  26. 884736
  27. 964430272
  28. 1157625
  29. 1157625
  30. 941192
  31. 1191016
  32. 961504803
  33. 1191016
  34. 1225043
  35. 1061208
  36. 1030301
  37. 804357
  38. 952763904
  39. 753571
  40. 988047936

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