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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 372 · 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. 1.197² =
  2. 2.964² =
  3. 3.5642² =
  4. 4.6420² =
  5. 5.597² =
  6. 6.317² =
  7. 7.6408² =
  8. 8.6080² =
  9. 9.8320² =
  10. 10.799² =
  11. 11.6365² =
  12. 12.843² =
  13. 13.479² =
  14. 14.654² =
  15. 15.2596² =
  16. 16.823² =
  17. 17.618² =
  18. 18.486² =
  19. 19.277² =
  20. 20.287² =
  21. 21.933² =
  22. 22.528² =
  23. 23.2032² =
  24. 24.983² =
  25. 25.356² =
  26. 26.218² =
  27. 27.360² =
  28. 28.9784² =
  29. 29.271² =
  30. 30.985² =
  31. 31.209² =
  32. 32.927² =
  33. 33.922² =
  34. 34.962² =
  35. 35.4346² =
  36. 36.543² =
  37. 37.596² =
  38. 38.3803² =
  39. 39.327² =
  40. 40.573² =

Answer key

  1. 38809
  2. 929296
  3. 31832164
  4. 41216400
  5. 356409
  6. 100489
  7. 41062464
  8. 36966400
  9. 69222400
  10. 638401
  11. 40513225
  12. 710649
  13. 229441
  14. 427716
  15. 6739216
  16. 677329
  17. 381924
  18. 236196
  19. 76729
  20. 82369
  21. 870489
  22. 278784
  23. 4129024
  24. 966289
  25. 126736
  26. 47524
  27. 129600
  28. 95726656
  29. 73441
  30. 970225
  31. 43681
  32. 859329
  33. 850084
  34. 925444
  35. 18887716
  36. 294849
  37. 355216
  38. 14462809
  39. 106929
  40. 328329

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