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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 953 · 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. 1.563² =
  2. 2.6646² =
  3. 3.639² =
  4. 4.631² =
  5. 5.947² =
  6. 6.231² =
  7. 7.9091² =
  8. 8.206² =
  9. 9.3252² =
  10. 10.243² =
  11. 11.539² =
  12. 12.792² =
  13. 13.981² =
  14. 14.398² =
  15. 15.540² =
  16. 16.643² =
  17. 17.226² =
  18. 18.365² =
  19. 19.1157² =
  20. 20.148² =
  21. 21.1057² =
  22. 22.337² =
  23. 23.750² =
  24. 24.690² =
  25. 25.287² =
  26. 26.6419² =
  27. 27.4330² =
  28. 28.248² =
  29. 29.606² =
  30. 30.141² =
  31. 31.322² =
  32. 32.815² =
  33. 33.944² =
  34. 34.571² =
  35. 35.708² =
  36. 36.4211² =
  37. 37.727² =
  38. 38.8882² =
  39. 39.7371² =
  40. 40.510² =

Answer key

  1. 316969
  2. 44169316
  3. 408321
  4. 398161
  5. 896809
  6. 53361
  7. 82646281
  8. 42436
  9. 10575504
  10. 59049
  11. 290521
  12. 627264
  13. 962361
  14. 158404
  15. 291600
  16. 413449
  17. 51076
  18. 133225
  19. 1338649
  20. 21904
  21. 1117249
  22. 113569
  23. 562500
  24. 476100
  25. 82369
  26. 41203561
  27. 18748900
  28. 61504
  29. 367236
  30. 19881
  31. 103684
  32. 664225
  33. 891136
  34. 326041
  35. 501264
  36. 17732521
  37. 528529
  38. 78889924
  39. 54331641
  40. 260100

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