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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 830 · 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. 2.42² =
  3. 3.12² =
  4. 4.12² =
  5. 5.77² =
  6. 6.36² =
  7. 7.23² =
  8. 8.94² =
  9. 9.85² =
  10. 10.28² =
  11. 11.71² =
  12. 12.45² =
  13. 13.86² =
  14. 14.86² =
  15. 15.79² =
  16. 16.71² =
  17. 17.56² =
  18. 18.19² =
  19. 19.47² =
  20. 20.48² =
  21. 21.31² =
  22. 22.61² =
  23. 23.81² =
  24. 24.41² =
  25. 25.96² =
  26. 26.77² =
  27. 27.64² =
  28. 28.51² =
  29. 29.24² =
  30. 30.91² =
  31. 31.78² =
  32. 32.81² =
  33. 33.44² =
  34. 34.47² =
  35. 35.62² =
  36. 36.43² =
  37. 37.13² =
  38. 38.11² =
  39. 39.31² =
  40. 40.19² =

Answer key

  1. 3969
  2. 1764
  3. 144
  4. 144
  5. 5929
  6. 1296
  7. 529
  8. 8836
  9. 7225
  10. 784
  11. 5041
  12. 2025
  13. 7396
  14. 7396
  15. 6241
  16. 5041
  17. 3136
  18. 361
  19. 2209
  20. 2304
  21. 961
  22. 3721
  23. 6561
  24. 1681
  25. 9216
  26. 5929
  27. 4096
  28. 2601
  29. 576
  30. 8281
  31. 6084
  32. 6561
  33. 1936
  34. 2209
  35. 3844
  36. 1849
  37. 169
  38. 121
  39. 961
  40. 361

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