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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 484 · 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. 1.64² =
  2. 2.26² =
  3. 3.68² =
  4. 4.51² =
  5. 5.31² =
  6. 6.19² =
  7. 7.87² =
  8. 8.83² =
  9. 9.94² =
  10. 10.78² =
  11. 11.25² =
  12. 12.24² =
  13. 13.54² =
  14. 14.85² =
  15. 15.35² =
  16. 16.28² =
  17. 17.86² =
  18. 18.56² =
  19. 19.79² =
  20. 20.73² =
  21. 21.62² =
  22. 22.35² =
  23. 23.44² =
  24. 24.28² =
  25. 25.57² =
  26. 26.12² =
  27. 27.93² =
  28. 28.23² =
  29. 29.71² =
  30. 30.12² =
  31. 31.86² =
  32. 32.16² =
  33. 33.43² =
  34. 34.36² =
  35. 35.71² =
  36. 36.67² =
  37. 37.99² =
  38. 38.94² =
  39. 39.48² =
  40. 40.53² =

Answer key

  1. 4096
  2. 676
  3. 4624
  4. 2601
  5. 961
  6. 361
  7. 7569
  8. 6889
  9. 8836
  10. 6084
  11. 625
  12. 576
  13. 2916
  14. 7225
  15. 1225
  16. 784
  17. 7396
  18. 3136
  19. 6241
  20. 5329
  21. 3844
  22. 1225
  23. 1936
  24. 784
  25. 3249
  26. 144
  27. 8649
  28. 529
  29. 5041
  30. 144
  31. 7396
  32. 256
  33. 1849
  34. 1296
  35. 5041
  36. 4489
  37. 9801
  38. 8836
  39. 2304
  40. 2809

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