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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 646 · 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. 1.63² =
  2. 2.61² =
  3. 3.54² =
  4. 4.66² =
  5. 5.43² =
  6. 6.33² =
  7. 7.71² =
  8. 8.47² =
  9. 9.36² =
  10. 10.15² =
  11. 11.66² =
  12. 12.31² =
  13. 13.61² =
  14. 14.93² =
  15. 15.16² =
  16. 16.23² =
  17. 17.31² =
  18. 18.43² =
  19. 19.57² =
  20. 20.16² =
  21. 21.23² =
  22. 22.51² =
  23. 23.75² =
  24. 24.59² =
  25. 25.86² =
  26. 26.81² =
  27. 27.31² =
  28. 28.42² =
  29. 29.54² =
  30. 30.96² =
  31. 31.44² =
  32. 32.36² =
  33. 33.67² =
  34. 34.84² =
  35. 35.37² =
  36. 36.45² =
  37. 37.39² =
  38. 38.87² =
  39. 39.22² =
  40. 40.68² =

Answer key

  1. 3969
  2. 3721
  3. 2916
  4. 4356
  5. 1849
  6. 1089
  7. 5041
  8. 2209
  9. 1296
  10. 225
  11. 4356
  12. 961
  13. 3721
  14. 8649
  15. 256
  16. 529
  17. 961
  18. 1849
  19. 3249
  20. 256
  21. 529
  22. 2601
  23. 5625
  24. 3481
  25. 7396
  26. 6561
  27. 961
  28. 1764
  29. 2916
  30. 9216
  31. 1936
  32. 1296
  33. 4489
  34. 7056
  35. 1369
  36. 2025
  37. 1521
  38. 7569
  39. 484
  40. 4624

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