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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 643 · 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. 1.102³ =
  2. 2.980³ =
  3. 3.96³ =
  4. 4.108³ =
  5. 5.99³ =
  6. 6.1004³ =
  7. 7.1005³ =
  8. 8.1008³ =
  9. 9.999³ =
  10. 10.104³ =
  11. 11.101³ =
  12. 12.102³ =
  13. 13.987³ =
  14. 14.95³ =
  15. 15.992³ =
  16. 16.999³ =
  17. 17.99³ =
  18. 18.97³ =
  19. 19.98³ =
  20. 20.91³ =
  21. 21.103³ =
  22. 22.993³ =
  23. 23.107³ =
  24. 24.92³ =
  25. 25.103³ =
  26. 26.99³ =
  27. 27.102³ =
  28. 28.102³ =
  29. 29.109³ =
  30. 30.991³ =
  31. 31.990³ =
  32. 32.988³ =
  33. 33.993³ =
  34. 34.98³ =
  35. 35.104³ =
  36. 36.987³ =
  37. 37.99³ =
  38. 38.103³ =
  39. 39.994³ =
  40. 40.97³ =

Answer key

  1. 1061208
  2. 941192000
  3. 884736
  4. 1259712
  5. 970299
  6. 1012048064
  7. 1015075125
  8. 1024192512
  9. 997002999
  10. 1124864
  11. 1030301
  12. 1061208
  13. 961504803
  14. 857375
  15. 976191488
  16. 997002999
  17. 970299
  18. 912673
  19. 941192
  20. 753571
  21. 1092727
  22. 979146657
  23. 1225043
  24. 778688
  25. 1092727
  26. 970299
  27. 1061208
  28. 1061208
  29. 1295029
  30. 973242271
  31. 970299000
  32. 964430272
  33. 979146657
  34. 941192
  35. 1124864
  36. 961504803
  37. 970299
  38. 1092727
  39. 982107784
  40. 912673

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