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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 590 · 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. 1.35² =
  2. 2.18² =
  3. 3.22² =
  4. 4.61² =
  5. 5.68² =
  6. 6.99² =
  7. 7.62² =
  8. 8.21² =
  9. 9.13² =
  10. 10.45² =
  11. 11.47² =
  12. 12.97² =
  13. 13.76² =
  14. 14.92² =
  15. 15.18² =
  16. 16.35² =
  17. 17.32² =
  18. 18.37² =
  19. 19.36² =
  20. 20.36² =
  21. 21.28² =
  22. 22.28² =
  23. 23.53² =
  24. 24.43² =
  25. 25.13² =
  26. 26.42² =
  27. 27.49² =
  28. 28.79² =
  29. 29.71² =
  30. 30.21² =
  31. 31.52² =
  32. 32.86² =
  33. 33.16² =
  34. 34.21² =
  35. 35.85² =
  36. 36.87² =
  37. 37.59² =
  38. 38.71² =
  39. 39.25² =
  40. 40.53² =

Answer key

  1. 1225
  2. 324
  3. 484
  4. 3721
  5. 4624
  6. 9801
  7. 3844
  8. 441
  9. 169
  10. 2025
  11. 2209
  12. 9409
  13. 5776
  14. 8464
  15. 324
  16. 1225
  17. 1024
  18. 1369
  19. 1296
  20. 1296
  21. 784
  22. 784
  23. 2809
  24. 1849
  25. 169
  26. 1764
  27. 2401
  28. 6241
  29. 5041
  30. 441
  31. 2704
  32. 7396
  33. 256
  34. 441
  35. 7225
  36. 7569
  37. 3481
  38. 5041
  39. 625
  40. 2809

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