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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 441 · 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. 1.985³ =
  2. 2.91³ =
  3. 3.994³ =
  4. 4.95³ =
  5. 5.107³ =
  6. 6.91³ =
  7. 7.103³ =
  8. 8.997³ =
  9. 9.1010³ =
  10. 10.996³ =
  11. 11.988³ =
  12. 12.1004³ =
  13. 13.99³ =
  14. 14.96³ =
  15. 15.108³ =
  16. 16.97³ =
  17. 17.107³ =
  18. 18.95³ =
  19. 19.981³ =
  20. 20.92³ =
  21. 21.986³ =
  22. 22.102³ =
  23. 23.91³ =
  24. 24.106³ =
  25. 25.1001³ =
  26. 26.94³ =
  27. 27.107³ =
  28. 28.106³ =
  29. 29.99³ =
  30. 30.103³ =
  31. 31.96³ =
  32. 32.107³ =
  33. 33.994³ =
  34. 34.993³ =
  35. 35.982³ =
  36. 36.108³ =
  37. 37.97³ =
  38. 38.99³ =
  39. 39.96³ =
  40. 40.997³ =

Answer key

  1. 955671625
  2. 753571
  3. 982107784
  4. 857375
  5. 1225043
  6. 753571
  7. 1092727
  8. 991026973
  9. 1030301000
  10. 988047936
  11. 964430272
  12. 1012048064
  13. 970299
  14. 884736
  15. 1259712
  16. 912673
  17. 1225043
  18. 857375
  19. 944076141
  20. 778688
  21. 958585256
  22. 1061208
  23. 753571
  24. 1191016
  25. 1003003001
  26. 830584
  27. 1225043
  28. 1191016
  29. 970299
  30. 1092727
  31. 884736
  32. 1225043
  33. 982107784
  34. 979146657
  35. 946966168
  36. 1259712
  37. 912673
  38. 970299
  39. 884736
  40. 991026973

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