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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 141 · 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. 1.1018³ =
  2. 2.1018³ =
  3. 3.982³ =
  4. 4.98³ =
  5. 5.104³ =
  6. 6.104³ =
  7. 7.104³ =
  8. 8.95³ =
  9. 9.986³ =
  10. 10.1017³ =
  11. 11.107³ =
  12. 12.1001³ =
  13. 13.990³ =
  14. 14.993³ =
  15. 15.1013³ =
  16. 16.994³ =
  17. 17.988³ =
  18. 18.986³ =
  19. 19.109³ =
  20. 20.105³ =
  21. 21.93³ =
  22. 22.1013³ =
  23. 23.101³ =
  24. 24.91³ =
  25. 25.104³ =
  26. 26.1006³ =
  27. 27.96³ =
  28. 28.103³ =
  29. 29.994³ =
  30. 30.95³ =
  31. 31.107³ =
  32. 32.1005³ =
  33. 33.980³ =
  34. 34.95³ =
  35. 35.101³ =
  36. 36.1018³ =
  37. 37.989³ =
  38. 38.1008³ =
  39. 39.993³ =
  40. 40.104³ =

Answer key

  1. 1054977832
  2. 1054977832
  3. 946966168
  4. 941192
  5. 1124864
  6. 1124864
  7. 1124864
  8. 857375
  9. 958585256
  10. 1051871913
  11. 1225043
  12. 1003003001
  13. 970299000
  14. 979146657
  15. 1039509197
  16. 982107784
  17. 964430272
  18. 958585256
  19. 1295029
  20. 1157625
  21. 804357
  22. 1039509197
  23. 1030301
  24. 753571
  25. 1124864
  26. 1018108216
  27. 884736
  28. 1092727
  29. 982107784
  30. 857375
  31. 1225043
  32. 1015075125
  33. 941192000
  34. 857375
  35. 1030301
  36. 1054977832
  37. 967361669
  38. 1024192512
  39. 979146657
  40. 1124864

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