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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 981 · 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. 1.61² =
  2. 2.82² =
  3. 3.16² =
  4. 4.41² =
  5. 5.83² =
  6. 6.86² =
  7. 7.42² =
  8. 8.41² =
  9. 9.13² =
  10. 10.79² =
  11. 11.49² =
  12. 12.47² =
  13. 13.51² =
  14. 14.57² =
  15. 15.13² =
  16. 16.26² =
  17. 17.74² =
  18. 18.17² =
  19. 19.85² =
  20. 20.55² =
  21. 21.83² =
  22. 22.31² =
  23. 23.66² =
  24. 24.18² =
  25. 25.73² =
  26. 26.36² =
  27. 27.18² =
  28. 28.58² =
  29. 29.77² =
  30. 30.56² =
  31. 31.41² =
  32. 32.21² =
  33. 33.57² =
  34. 34.75² =
  35. 35.32² =
  36. 36.97² =
  37. 37.81² =
  38. 38.98² =
  39. 39.92² =
  40. 40.97² =

Answer key

  1. 3721
  2. 6724
  3. 256
  4. 1681
  5. 6889
  6. 7396
  7. 1764
  8. 1681
  9. 169
  10. 6241
  11. 2401
  12. 2209
  13. 2601
  14. 3249
  15. 169
  16. 676
  17. 5476
  18. 289
  19. 7225
  20. 3025
  21. 6889
  22. 961
  23. 4356
  24. 324
  25. 5329
  26. 1296
  27. 324
  28. 3364
  29. 5929
  30. 3136
  31. 1681
  32. 441
  33. 3249
  34. 5625
  35. 1024
  36. 9409
  37. 6561
  38. 9604
  39. 8464
  40. 9409

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