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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 439 · 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. 1.1001³ =
  2. 2.1019³ =
  3. 3.95³ =
  4. 4.1015³ =
  5. 5.97³ =
  6. 6.91³ =
  7. 7.982³ =
  8. 8.993³ =
  9. 9.108³ =
  10. 10.102³ =
  11. 11.999³ =
  12. 12.101³ =
  13. 13.92³ =
  14. 14.104³ =
  15. 15.99³ =
  16. 16.983³ =
  17. 17.985³ =
  18. 18.98³ =
  19. 19.98³ =
  20. 20.994³ =
  21. 21.96³ =
  22. 22.1004³ =
  23. 23.981³ =
  24. 24.104³ =
  25. 25.998³ =
  26. 26.93³ =
  27. 27.998³ =
  28. 28.107³ =
  29. 29.1019³ =
  30. 30.96³ =
  31. 31.984³ =
  32. 32.97³ =
  33. 33.996³ =
  34. 34.986³ =
  35. 35.97³ =
  36. 36.98³ =
  37. 37.99³ =
  38. 38.93³ =
  39. 39.1007³ =
  40. 40.106³ =

Answer key

  1. 1003003001
  2. 1058089859
  3. 857375
  4. 1045678375
  5. 912673
  6. 753571
  7. 946966168
  8. 979146657
  9. 1259712
  10. 1061208
  11. 997002999
  12. 1030301
  13. 778688
  14. 1124864
  15. 970299
  16. 949862087
  17. 955671625
  18. 941192
  19. 941192
  20. 982107784
  21. 884736
  22. 1012048064
  23. 944076141
  24. 1124864
  25. 994011992
  26. 804357
  27. 994011992
  28. 1225043
  29. 1058089859
  30. 884736
  31. 952763904
  32. 912673
  33. 988047936
  34. 958585256
  35. 912673
  36. 941192
  37. 970299
  38. 804357
  39. 1021147343
  40. 1191016

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