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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 140 · 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. 1.77² =
  2. 2.68² =
  3. 3.82² =
  4. 4.99² =
  5. 5.14² =
  6. 6.33² =
  7. 7.89² =
  8. 8.46² =
  9. 9.51² =
  10. 10.79² =
  11. 11.42² =
  12. 12.92² =
  13. 13.63² =
  14. 14.86² =
  15. 15.81² =
  16. 16.84² =
  17. 17.99² =
  18. 18.24² =
  19. 19.77² =
  20. 20.36² =
  21. 21.72² =
  22. 22.64² =
  23. 23.54² =
  24. 24.72² =
  25. 25.94² =
  26. 26.86² =
  27. 27.93² =
  28. 28.21² =
  29. 29.91² =
  30. 30.18² =
  31. 31.12² =
  32. 32.75² =
  33. 33.19² =
  34. 34.88² =
  35. 35.32² =
  36. 36.34² =
  37. 37.45² =
  38. 38.65² =
  39. 39.75² =
  40. 40.64² =

Answer key

  1. 5929
  2. 4624
  3. 6724
  4. 9801
  5. 196
  6. 1089
  7. 7921
  8. 2116
  9. 2601
  10. 6241
  11. 1764
  12. 8464
  13. 3969
  14. 7396
  15. 6561
  16. 7056
  17. 9801
  18. 576
  19. 5929
  20. 1296
  21. 5184
  22. 4096
  23. 2916
  24. 5184
  25. 8836
  26. 7396
  27. 8649
  28. 441
  29. 8281
  30. 324
  31. 144
  32. 5625
  33. 361
  34. 7744
  35. 1024
  36. 1156
  37. 2025
  38. 4225
  39. 5625
  40. 4096

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