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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 583 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For abc: columns D(a) | D(ab) | D(abc) | D(bc) | D(c). D(a) = a², D(ab) = 2ab, D(abc) = 2ac + b², D(abcd) = 2ad + 2bc. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.371² =
  2. 2.951² =
  3. 3.489² =
  4. 4.780² =
  5. 5.3757² =
  6. 6.3569² =
  7. 7.140² =
  8. 8.337² =
  9. 9.664² =
  10. 10.886² =
  11. 11.467² =
  12. 12.554² =
  13. 13.267² =
  14. 14.934² =
  15. 15.9475² =
  16. 16.6351² =
  17. 17.172² =
  18. 18.8368² =
  19. 19.748² =
  20. 20.824² =
  21. 21.1871² =
  22. 22.255² =
  23. 23.569² =
  24. 24.105² =
  25. 25.927² =
  26. 26.142² =
  27. 27.1461² =
  28. 28.946² =
  29. 29.969² =
  30. 30.125² =
  31. 31.788² =
  32. 32.3151² =
  33. 33.538² =
  34. 34.302² =
  35. 35.400² =
  36. 36.768² =
  37. 37.107² =
  38. 38.874² =
  39. 39.448² =
  40. 40.6234² =

Answer key

  1. 137641
  2. 904401
  3. 239121
  4. 608400
  5. 14115049
  6. 12737761
  7. 19600
  8. 113569
  9. 440896
  10. 784996
  11. 218089
  12. 306916
  13. 71289
  14. 872356
  15. 89775625
  16. 40335201
  17. 29584
  18. 70023424
  19. 559504
  20. 678976
  21. 3500641
  22. 65025
  23. 323761
  24. 11025
  25. 859329
  26. 20164
  27. 2134521
  28. 894916
  29. 938961
  30. 15625
  31. 620944
  32. 9928801
  33. 289444
  34. 91204
  35. 160000
  36. 589824
  37. 11449
  38. 763876
  39. 200704
  40. 38862756

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