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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 997 · 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. 1.1005³ =
  2. 2.998³ =
  3. 3.988³ =
  4. 4.1009³ =
  5. 5.99³ =
  6. 6.1006³ =
  7. 7.1001³ =
  8. 8.1007³ =
  9. 9.107³ =
  10. 10.995³ =
  11. 11.1011³ =
  12. 12.993³ =
  13. 13.989³ =
  14. 14.108³ =
  15. 15.103³ =
  16. 16.103³ =
  17. 17.987³ =
  18. 18.109³ =
  19. 19.1017³ =
  20. 20.103³ =
  21. 21.984³ =
  22. 22.98³ =
  23. 23.981³ =
  24. 24.99³ =
  25. 25.1006³ =
  26. 26.1020³ =
  27. 27.981³ =
  28. 28.982³ =
  29. 29.103³ =
  30. 30.1014³ =
  31. 31.996³ =
  32. 32.109³ =
  33. 33.104³ =
  34. 34.92³ =
  35. 35.1015³ =
  36. 36.996³ =
  37. 37.102³ =
  38. 38.1014³ =
  39. 39.1006³ =
  40. 40.103³ =

Answer key

  1. 1015075125
  2. 994011992
  3. 964430272
  4. 1027243729
  5. 970299
  6. 1018108216
  7. 1003003001
  8. 1021147343
  9. 1225043
  10. 985074875
  11. 1033364331
  12. 979146657
  13. 967361669
  14. 1259712
  15. 1092727
  16. 1092727
  17. 961504803
  18. 1295029
  19. 1051871913
  20. 1092727
  21. 952763904
  22. 941192
  23. 944076141
  24. 970299
  25. 1018108216
  26. 1061208000
  27. 944076141
  28. 946966168
  29. 1092727
  30. 1042590744
  31. 988047936
  32. 1295029
  33. 1124864
  34. 778688
  35. 1045678375
  36. 988047936
  37. 1061208
  38. 1042590744
  39. 1018108216
  40. 1092727

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