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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 885 · 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. 1.177² =
  2. 2.773² =
  3. 3.7120² =
  4. 4.5569² =
  5. 5.986² =
  6. 6.613² =
  7. 7.2142² =
  8. 8.5687² =
  9. 9.213² =
  10. 10.910² =
  11. 11.271² =
  12. 12.323² =
  13. 13.388² =
  14. 14.874² =
  15. 15.1362² =
  16. 16.248² =
  17. 17.4780² =
  18. 18.8947² =
  19. 19.662² =
  20. 20.230² =
  21. 21.740² =
  22. 22.5473² =
  23. 23.4292² =
  24. 24.5030² =
  25. 25.756² =
  26. 26.362² =
  27. 27.475² =
  28. 28.993² =
  29. 29.365² =
  30. 30.5886² =
  31. 31.994² =
  32. 32.8983² =
  33. 33.141² =
  34. 34.867² =
  35. 35.641² =
  36. 36.2263² =
  37. 37.664² =
  38. 38.232² =
  39. 39.8902² =
  40. 40.469² =

Answer key

  1. 31329
  2. 597529
  3. 50694400
  4. 31013761
  5. 972196
  6. 375769
  7. 4588164
  8. 32341969
  9. 45369
  10. 828100
  11. 73441
  12. 104329
  13. 150544
  14. 763876
  15. 1855044
  16. 61504
  17. 22848400
  18. 80048809
  19. 438244
  20. 52900
  21. 547600
  22. 29953729
  23. 18421264
  24. 25300900
  25. 571536
  26. 131044
  27. 225625
  28. 986049
  29. 133225
  30. 34644996
  31. 988036
  32. 80694289
  33. 19881
  34. 751689
  35. 410881
  36. 5121169
  37. 440896
  38. 53824
  39. 79245604
  40. 219961

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