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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 42 · 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. 1.101³ =
  2. 2.97³ =
  3. 3.106³ =
  4. 4.99³ =
  5. 5.1002³ =
  6. 6.992³ =
  7. 7.989³ =
  8. 8.92³ =
  9. 9.982³ =
  10. 10.1014³ =
  11. 11.1006³ =
  12. 12.1016³ =
  13. 13.1005³ =
  14. 14.107³ =
  15. 15.91³ =
  16. 16.1012³ =
  17. 17.991³ =
  18. 18.98³ =
  19. 19.996³ =
  20. 20.99³ =
  21. 21.1019³ =
  22. 22.980³ =
  23. 23.993³ =
  24. 24.998³ =
  25. 25.95³ =
  26. 26.106³ =
  27. 27.96³ =
  28. 28.99³ =
  29. 29.1005³ =
  30. 30.99³ =
  31. 31.102³ =
  32. 32.99³ =
  33. 33.108³ =
  34. 34.1011³ =
  35. 35.109³ =
  36. 36.104³ =
  37. 37.997³ =
  38. 38.994³ =
  39. 39.102³ =
  40. 40.92³ =

Answer key

  1. 1030301
  2. 912673
  3. 1191016
  4. 970299
  5. 1006012008
  6. 976191488
  7. 967361669
  8. 778688
  9. 946966168
  10. 1042590744
  11. 1018108216
  12. 1048772096
  13. 1015075125
  14. 1225043
  15. 753571
  16. 1036433728
  17. 973242271
  18. 941192
  19. 988047936
  20. 970299
  21. 1058089859
  22. 941192000
  23. 979146657
  24. 994011992
  25. 857375
  26. 1191016
  27. 884736
  28. 970299
  29. 1015075125
  30. 970299
  31. 1061208
  32. 970299
  33. 1259712
  34. 1033364331
  35. 1295029
  36. 1124864
  37. 991026973
  38. 982107784
  39. 1061208
  40. 778688

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