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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 502 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.81² =
  2. 2.74² =
  3. 3.13² =
  4. 4.59² =
  5. 5.12² =
  6. 6.18² =
  7. 7.55² =
  8. 8.12² =
  9. 9.59² =
  10. 10.11² =
  11. 11.22² =
  12. 12.42² =
  13. 13.43² =
  14. 14.39² =
  15. 15.68² =
  16. 16.44² =
  17. 17.27² =
  18. 18.55² =
  19. 19.59² =
  20. 20.46² =
  21. 21.97² =
  22. 22.79² =
  23. 23.31² =
  24. 24.39² =
  25. 25.34² =
  26. 26.23² =
  27. 27.58² =
  28. 28.16² =
  29. 29.16² =
  30. 30.86² =
  31. 31.81² =
  32. 32.27² =
  33. 33.56² =
  34. 34.55² =
  35. 35.76² =
  36. 36.96² =
  37. 37.47² =
  38. 38.22² =
  39. 39.87² =
  40. 40.93² =

Answer key

  1. 6561
  2. 5476
  3. 169
  4. 3481
  5. 144
  6. 324
  7. 3025
  8. 144
  9. 3481
  10. 121
  11. 484
  12. 1764
  13. 1849
  14. 1521
  15. 4624
  16. 1936
  17. 729
  18. 3025
  19. 3481
  20. 2116
  21. 9409
  22. 6241
  23. 961
  24. 1521
  25. 1156
  26. 529
  27. 3364
  28. 256
  29. 256
  30. 7396
  31. 6561
  32. 729
  33. 3136
  34. 3025
  35. 5776
  36. 9216
  37. 2209
  38. 484
  39. 7569
  40. 8649

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