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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 274 · 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. 1.1454² =
  2. 2.496² =
  3. 3.806² =
  4. 4.3284² =
  5. 5.3129² =
  6. 6.306² =
  7. 7.137² =
  8. 8.1182² =
  9. 9.706² =
  10. 10.376² =
  11. 11.9555² =
  12. 12.259² =
  13. 13.858² =
  14. 14.9737² =
  15. 15.228² =
  16. 16.337² =
  17. 17.755² =
  18. 18.141² =
  19. 19.411² =
  20. 20.5984² =
  21. 21.144² =
  22. 22.830² =
  23. 23.579² =
  24. 24.518² =
  25. 25.997² =
  26. 26.493² =
  27. 27.2710² =
  28. 28.4891² =
  29. 29.446² =
  30. 30.6767² =
  31. 31.502² =
  32. 32.739² =
  33. 33.799² =
  34. 34.606² =
  35. 35.7403² =
  36. 36.9382² =
  37. 37.219² =
  38. 38.772² =
  39. 39.866² =
  40. 40.548² =

Answer key

  1. 2114116
  2. 246016
  3. 649636
  4. 10784656
  5. 9790641
  6. 93636
  7. 18769
  8. 1397124
  9. 498436
  10. 141376
  11. 91298025
  12. 67081
  13. 736164
  14. 94809169
  15. 51984
  16. 113569
  17. 570025
  18. 19881
  19. 168921
  20. 35808256
  21. 20736
  22. 688900
  23. 335241
  24. 268324
  25. 994009
  26. 243049
  27. 7344100
  28. 23921881
  29. 198916
  30. 45792289
  31. 252004
  32. 546121
  33. 638401
  34. 367236
  35. 54804409
  36. 88021924
  37. 47961
  38. 595984
  39. 749956
  40. 300304

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