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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 391 · 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. 1.1017³ =
  2. 2.1005³ =
  3. 3.109³ =
  4. 4.93³ =
  5. 5.1020³ =
  6. 6.1011³ =
  7. 7.1011³ =
  8. 8.1017³ =
  9. 9.91³ =
  10. 10.997³ =
  11. 11.989³ =
  12. 12.998³ =
  13. 13.106³ =
  14. 14.108³ =
  15. 15.991³ =
  16. 16.109³ =
  17. 17.99³ =
  18. 18.985³ =
  19. 19.1017³ =
  20. 20.1001³ =
  21. 21.94³ =
  22. 22.993³ =
  23. 23.99³ =
  24. 24.97³ =
  25. 25.982³ =
  26. 26.102³ =
  27. 27.985³ =
  28. 28.97³ =
  29. 29.984³ =
  30. 30.1020³ =
  31. 31.984³ =
  32. 32.980³ =
  33. 33.94³ =
  34. 34.103³ =
  35. 35.95³ =
  36. 36.103³ =
  37. 37.96³ =
  38. 38.92³ =
  39. 39.992³ =
  40. 40.1005³ =

Answer key

  1. 1051871913
  2. 1015075125
  3. 1295029
  4. 804357
  5. 1061208000
  6. 1033364331
  7. 1033364331
  8. 1051871913
  9. 753571
  10. 991026973
  11. 967361669
  12. 994011992
  13. 1191016
  14. 1259712
  15. 973242271
  16. 1295029
  17. 970299
  18. 955671625
  19. 1051871913
  20. 1003003001
  21. 830584
  22. 979146657
  23. 970299
  24. 912673
  25. 946966168
  26. 1061208
  27. 955671625
  28. 912673
  29. 952763904
  30. 1061208000
  31. 952763904
  32. 941192000
  33. 830584
  34. 1092727
  35. 857375
  36. 1092727
  37. 884736
  38. 778688
  39. 976191488
  40. 1015075125

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