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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 590 · 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. 1.494² =
  2. 2.152² =
  3. 3.921² =
  4. 4.7258² =
  5. 5.682² =
  6. 6.9165² =
  7. 7.9269² =
  8. 8.533² =
  9. 9.101² =
  10. 10.246² =
  11. 11.499² =
  12. 12.476² =
  13. 13.386² =
  14. 14.4973² =
  15. 15.735² =
  16. 16.9507² =
  17. 17.251² =
  18. 18.4138² =
  19. 19.334² =
  20. 20.631² =
  21. 21.728² =
  22. 22.161² =
  23. 23.7964² =
  24. 24.397² =
  25. 25.130² =
  26. 26.157² =
  27. 27.8332² =
  28. 28.7299² =
  29. 29.379² =
  30. 30.5458² =
  31. 31.275² =
  32. 32.218² =
  33. 33.5847² =
  34. 34.892² =
  35. 35.6347² =
  36. 36.3166² =
  37. 37.4554² =
  38. 38.786² =
  39. 39.480² =
  40. 40.321² =

Answer key

  1. 244036
  2. 23104
  3. 848241
  4. 52678564
  5. 465124
  6. 83997225
  7. 85914361
  8. 284089
  9. 10201
  10. 60516
  11. 249001
  12. 226576
  13. 148996
  14. 24730729
  15. 540225
  16. 90383049
  17. 63001
  18. 17123044
  19. 111556
  20. 398161
  21. 529984
  22. 25921
  23. 63425296
  24. 157609
  25. 16900
  26. 24649
  27. 69422224
  28. 53275401
  29. 143641
  30. 29789764
  31. 75625
  32. 47524
  33. 34187409
  34. 795664
  35. 40284409
  36. 10023556
  37. 20738916
  38. 617796
  39. 230400
  40. 103041

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