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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 656 · 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. 1.108³ =
  2. 2.1019³ =
  3. 3.96³ =
  4. 4.992³ =
  5. 5.1013³ =
  6. 6.103³ =
  7. 7.1002³ =
  8. 8.1009³ =
  9. 9.1019³ =
  10. 10.1001³ =
  11. 11.104³ =
  12. 12.1018³ =
  13. 13.91³ =
  14. 14.103³ =
  15. 15.99³ =
  16. 16.104³ =
  17. 17.1001³ =
  18. 18.106³ =
  19. 19.109³ =
  20. 20.999³ =
  21. 21.99³ =
  22. 22.102³ =
  23. 23.1017³ =
  24. 24.106³ =
  25. 25.101³ =
  26. 26.106³ =
  27. 27.108³ =
  28. 28.991³ =
  29. 29.91³ =
  30. 30.1006³ =
  31. 31.91³ =
  32. 32.96³ =
  33. 33.92³ =
  34. 34.101³ =
  35. 35.101³ =
  36. 36.987³ =
  37. 37.94³ =
  38. 38.994³ =
  39. 39.98³ =
  40. 40.93³ =

Answer key

  1. 1259712
  2. 1058089859
  3. 884736
  4. 976191488
  5. 1039509197
  6. 1092727
  7. 1006012008
  8. 1027243729
  9. 1058089859
  10. 1003003001
  11. 1124864
  12. 1054977832
  13. 753571
  14. 1092727
  15. 970299
  16. 1124864
  17. 1003003001
  18. 1191016
  19. 1295029
  20. 997002999
  21. 970299
  22. 1061208
  23. 1051871913
  24. 1191016
  25. 1030301
  26. 1191016
  27. 1259712
  28. 973242271
  29. 753571
  30. 1018108216
  31. 753571
  32. 884736
  33. 778688
  34. 1030301
  35. 1030301
  36. 961504803
  37. 830584
  38. 982107784
  39. 941192
  40. 804357

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