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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 387 · 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. 1.13² =
  2. 2.35² =
  3. 3.83² =
  4. 4.33² =
  5. 5.28² =
  6. 6.32² =
  7. 7.95² =
  8. 8.58² =
  9. 9.67² =
  10. 10.23² =
  11. 11.22² =
  12. 12.24² =
  13. 13.31² =
  14. 14.21² =
  15. 15.94² =
  16. 16.49² =
  17. 17.85² =
  18. 18.45² =
  19. 19.36² =
  20. 20.14² =
  21. 21.31² =
  22. 22.34² =
  23. 23.65² =
  24. 24.85² =
  25. 25.68² =
  26. 26.41² =
  27. 27.24² =
  28. 28.94² =
  29. 29.11² =
  30. 30.43² =
  31. 31.32² =
  32. 32.38² =
  33. 33.61² =
  34. 34.77² =
  35. 35.15² =
  36. 36.36² =
  37. 37.86² =
  38. 38.82² =
  39. 39.55² =
  40. 40.11² =

Answer key

  1. 169
  2. 1225
  3. 6889
  4. 1089
  5. 784
  6. 1024
  7. 9025
  8. 3364
  9. 4489
  10. 529
  11. 484
  12. 576
  13. 961
  14. 441
  15. 8836
  16. 2401
  17. 7225
  18. 2025
  19. 1296
  20. 196
  21. 961
  22. 1156
  23. 4225
  24. 7225
  25. 4624
  26. 1681
  27. 576
  28. 8836
  29. 121
  30. 1849
  31. 1024
  32. 1444
  33. 3721
  34. 5929
  35. 225
  36. 1296
  37. 7396
  38. 6724
  39. 3025
  40. 121

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