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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 220 · 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. 1.98³ =
  2. 2.989³ =
  3. 3.983³ =
  4. 4.92³ =
  5. 5.92³ =
  6. 6.108³ =
  7. 7.93³ =
  8. 8.991³ =
  9. 9.95³ =
  10. 10.101³ =
  11. 11.105³ =
  12. 12.107³ =
  13. 13.101³ =
  14. 14.96³ =
  15. 15.102³ =
  16. 16.1019³ =
  17. 17.93³ =
  18. 18.95³ =
  19. 19.106³ =
  20. 20.1013³ =
  21. 21.1005³ =
  22. 22.98³ =
  23. 23.1008³ =
  24. 24.1009³ =
  25. 25.99³ =
  26. 26.989³ =
  27. 27.986³ =
  28. 28.94³ =
  29. 29.1002³ =
  30. 30.99³ =
  31. 31.96³ =
  32. 32.102³ =
  33. 33.107³ =
  34. 34.109³ =
  35. 35.984³ =
  36. 36.101³ =
  37. 37.97³ =
  38. 38.95³ =
  39. 39.91³ =
  40. 40.986³ =

Answer key

  1. 941192
  2. 967361669
  3. 949862087
  4. 778688
  5. 778688
  6. 1259712
  7. 804357
  8. 973242271
  9. 857375
  10. 1030301
  11. 1157625
  12. 1225043
  13. 1030301
  14. 884736
  15. 1061208
  16. 1058089859
  17. 804357
  18. 857375
  19. 1191016
  20. 1039509197
  21. 1015075125
  22. 941192
  23. 1024192512
  24. 1027243729
  25. 970299
  26. 967361669
  27. 958585256
  28. 830584
  29. 1006012008
  30. 970299
  31. 884736
  32. 1061208
  33. 1225043
  34. 1295029
  35. 952763904
  36. 1030301
  37. 912673
  38. 857375
  39. 753571
  40. 958585256

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