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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 442 · 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. 1.43² =
  2. 2.94² =
  3. 3.59² =
  4. 4.18² =
  5. 5.53² =
  6. 6.64² =
  7. 7.83² =
  8. 8.49² =
  9. 9.58² =
  10. 10.36² =
  11. 11.72² =
  12. 12.56² =
  13. 13.13² =
  14. 14.41² =
  15. 15.86² =
  16. 16.25² =
  17. 17.42² =
  18. 18.74² =
  19. 19.85² =
  20. 20.45² =
  21. 21.27² =
  22. 22.79² =
  23. 23.66² =
  24. 24.12² =
  25. 25.62² =
  26. 26.16² =
  27. 27.35² =
  28. 28.68² =
  29. 29.57² =
  30. 30.13² =
  31. 31.25² =
  32. 32.65² =
  33. 33.95² =
  34. 34.15² =
  35. 35.15² =
  36. 36.18² =
  37. 37.49² =
  38. 38.91² =
  39. 39.23² =
  40. 40.75² =

Answer key

  1. 1849
  2. 8836
  3. 3481
  4. 324
  5. 2809
  6. 4096
  7. 6889
  8. 2401
  9. 3364
  10. 1296
  11. 5184
  12. 3136
  13. 169
  14. 1681
  15. 7396
  16. 625
  17. 1764
  18. 5476
  19. 7225
  20. 2025
  21. 729
  22. 6241
  23. 4356
  24. 144
  25. 3844
  26. 256
  27. 1225
  28. 4624
  29. 3249
  30. 169
  31. 625
  32. 4225
  33. 9025
  34. 225
  35. 225
  36. 324
  37. 2401
  38. 8281
  39. 529
  40. 5625

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