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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 320 · 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. 2.994³ =
  3. 3.992³ =
  4. 4.102³ =
  5. 5.106³ =
  6. 6.95³ =
  7. 7.107³ =
  8. 8.108³ =
  9. 9.1007³ =
  10. 10.104³ =
  11. 11.106³ =
  12. 12.96³ =
  13. 13.1012³ =
  14. 14.1009³ =
  15. 15.98³ =
  16. 16.994³ =
  17. 17.99³ =
  18. 18.107³ =
  19. 19.102³ =
  20. 20.994³ =
  21. 21.984³ =
  22. 22.107³ =
  23. 23.999³ =
  24. 24.91³ =
  25. 25.103³ =
  26. 26.104³ =
  27. 27.1014³ =
  28. 28.93³ =
  29. 29.101³ =
  30. 30.1001³ =
  31. 31.101³ =
  32. 32.1013³ =
  33. 33.91³ =
  34. 34.96³ =
  35. 35.1001³ =
  36. 36.96³ =
  37. 37.1013³ =
  38. 38.101³ =
  39. 39.1002³ =
  40. 40.984³ =

Answer key

  1. 970299
  2. 982107784
  3. 976191488
  4. 1061208
  5. 1191016
  6. 857375
  7. 1225043
  8. 1259712
  9. 1021147343
  10. 1124864
  11. 1191016
  12. 884736
  13. 1036433728
  14. 1027243729
  15. 941192
  16. 982107784
  17. 970299
  18. 1225043
  19. 1061208
  20. 982107784
  21. 952763904
  22. 1225043
  23. 997002999
  24. 753571
  25. 1092727
  26. 1124864
  27. 1042590744
  28. 804357
  29. 1030301
  30. 1003003001
  31. 1030301
  32. 1039509197
  33. 753571
  34. 884736
  35. 1003003001
  36. 884736
  37. 1039509197
  38. 1030301
  39. 1006012008
  40. 952763904

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