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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 898 · 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. 1.22² =
  2. 2.44² =
  3. 3.22² =
  4. 4.83² =
  5. 5.59² =
  6. 6.76² =
  7. 7.52² =
  8. 8.12² =
  9. 9.13² =
  10. 10.93² =
  11. 11.21² =
  12. 12.65² =
  13. 13.12² =
  14. 14.69² =
  15. 15.72² =
  16. 16.85² =
  17. 17.67² =
  18. 18.19² =
  19. 19.54² =
  20. 20.31² =
  21. 21.31² =
  22. 22.74² =
  23. 23.51² =
  24. 24.97² =
  25. 25.52² =
  26. 26.42² =
  27. 27.32² =
  28. 28.58² =
  29. 29.92² =
  30. 30.21² =
  31. 31.79² =
  32. 32.86² =
  33. 33.38² =
  34. 34.15² =
  35. 35.21² =
  36. 36.41² =
  37. 37.76² =
  38. 38.94² =
  39. 39.17² =
  40. 40.78² =

Answer key

  1. 484
  2. 1936
  3. 484
  4. 6889
  5. 3481
  6. 5776
  7. 2704
  8. 144
  9. 169
  10. 8649
  11. 441
  12. 4225
  13. 144
  14. 4761
  15. 5184
  16. 7225
  17. 4489
  18. 361
  19. 2916
  20. 961
  21. 961
  22. 5476
  23. 2601
  24. 9409
  25. 2704
  26. 1764
  27. 1024
  28. 3364
  29. 8464
  30. 441
  31. 6241
  32. 7396
  33. 1444
  34. 225
  35. 441
  36. 1681
  37. 5776
  38. 8836
  39. 289
  40. 6084

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