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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 839 · 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. 1.96³ =
  2. 2.109³ =
  3. 3.98³ =
  4. 4.1019³ =
  5. 5.99³ =
  6. 6.1020³ =
  7. 7.92³ =
  8. 8.1014³ =
  9. 9.108³ =
  10. 10.104³ =
  11. 11.91³ =
  12. 12.101³ =
  13. 13.95³ =
  14. 14.982³ =
  15. 15.998³ =
  16. 16.91³ =
  17. 17.998³ =
  18. 18.108³ =
  19. 19.95³ =
  20. 20.98³ =
  21. 21.108³ =
  22. 22.108³ =
  23. 23.107³ =
  24. 24.102³ =
  25. 25.102³ =
  26. 26.105³ =
  27. 27.98³ =
  28. 28.98³ =
  29. 29.991³ =
  30. 30.108³ =
  31. 31.983³ =
  32. 32.991³ =
  33. 33.998³ =
  34. 34.98³ =
  35. 35.96³ =
  36. 36.98³ =
  37. 37.96³ =
  38. 38.98³ =
  39. 39.92³ =
  40. 40.103³ =

Answer key

  1. 884736
  2. 1295029
  3. 941192
  4. 1058089859
  5. 970299
  6. 1061208000
  7. 778688
  8. 1042590744
  9. 1259712
  10. 1124864
  11. 753571
  12. 1030301
  13. 857375
  14. 946966168
  15. 994011992
  16. 753571
  17. 994011992
  18. 1259712
  19. 857375
  20. 941192
  21. 1259712
  22. 1259712
  23. 1225043
  24. 1061208
  25. 1061208
  26. 1157625
  27. 941192
  28. 941192
  29. 973242271
  30. 1259712
  31. 949862087
  32. 973242271
  33. 994011992
  34. 941192
  35. 884736
  36. 941192
  37. 884736
  38. 941192
  39. 778688
  40. 1092727

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