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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 562 · 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. 1.923² =
  2. 2.133² =
  3. 3.9807² =
  4. 4.487² =
  5. 5.329² =
  6. 6.940² =
  7. 7.644² =
  8. 8.328² =
  9. 9.454² =
  10. 10.510² =
  11. 11.178² =
  12. 12.8702² =
  13. 13.363² =
  14. 14.3772² =
  15. 15.551² =
  16. 16.994² =
  17. 17.628² =
  18. 18.513² =
  19. 19.6825² =
  20. 20.9646² =
  21. 21.391² =
  22. 22.2716² =
  23. 23.9480² =
  24. 24.970² =
  25. 25.351² =
  26. 26.7425² =
  27. 27.7208² =
  28. 28.271² =
  29. 29.812² =
  30. 30.442² =
  31. 31.142² =
  32. 32.480² =
  33. 33.397² =
  34. 34.643² =
  35. 35.286² =
  36. 36.673² =
  37. 37.206² =
  38. 38.919² =
  39. 39.251² =
  40. 40.665² =

Answer key

  1. 851929
  2. 17689
  3. 96177249
  4. 237169
  5. 108241
  6. 883600
  7. 414736
  8. 107584
  9. 206116
  10. 260100
  11. 31684
  12. 75724804
  13. 131769
  14. 14227984
  15. 303601
  16. 988036
  17. 394384
  18. 263169
  19. 46580625
  20. 93045316
  21. 152881
  22. 7376656
  23. 89870400
  24. 940900
  25. 123201
  26. 55130625
  27. 51955264
  28. 73441
  29. 659344
  30. 195364
  31. 20164
  32. 230400
  33. 157609
  34. 413449
  35. 81796
  36. 452929
  37. 42436
  38. 844561
  39. 63001
  40. 442225

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