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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 845 · 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. 1.109³ =
  2. 2.103³ =
  3. 3.93³ =
  4. 4.96³ =
  5. 5.107³ =
  6. 6.97³ =
  7. 7.109³ =
  8. 8.97³ =
  9. 9.983³ =
  10. 10.101³ =
  11. 11.95³ =
  12. 12.1006³ =
  13. 13.1020³ =
  14. 14.102³ =
  15. 15.992³ =
  16. 16.107³ =
  17. 17.97³ =
  18. 18.106³ =
  19. 19.99³ =
  20. 20.992³ =
  21. 21.1005³ =
  22. 22.103³ =
  23. 23.94³ =
  24. 24.1010³ =
  25. 25.108³ =
  26. 26.94³ =
  27. 27.94³ =
  28. 28.94³ =
  29. 29.1020³ =
  30. 30.1002³ =
  31. 31.993³ =
  32. 32.980³ =
  33. 33.1014³ =
  34. 34.994³ =
  35. 35.93³ =
  36. 36.991³ =
  37. 37.992³ =
  38. 38.1001³ =
  39. 39.1001³ =
  40. 40.984³ =

Answer key

  1. 1295029
  2. 1092727
  3. 804357
  4. 884736
  5. 1225043
  6. 912673
  7. 1295029
  8. 912673
  9. 949862087
  10. 1030301
  11. 857375
  12. 1018108216
  13. 1061208000
  14. 1061208
  15. 976191488
  16. 1225043
  17. 912673
  18. 1191016
  19. 970299
  20. 976191488
  21. 1015075125
  22. 1092727
  23. 830584
  24. 1030301000
  25. 1259712
  26. 830584
  27. 830584
  28. 830584
  29. 1061208000
  30. 1006012008
  31. 979146657
  32. 941192000
  33. 1042590744
  34. 982107784
  35. 804357
  36. 973242271
  37. 976191488
  38. 1003003001
  39. 1003003001
  40. 952763904

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