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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 197 · 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. 1.37² =
  2. 2.81² =
  3. 3.12² =
  4. 4.67² =
  5. 5.91² =
  6. 6.91² =
  7. 7.83² =
  8. 8.17² =
  9. 9.61² =
  10. 10.58² =
  11. 11.81² =
  12. 12.86² =
  13. 13.99² =
  14. 14.21² =
  15. 15.17² =
  16. 16.62² =
  17. 17.56² =
  18. 18.59² =
  19. 19.72² =
  20. 20.68² =
  21. 21.88² =
  22. 22.79² =
  23. 23.37² =
  24. 24.35² =
  25. 25.59² =
  26. 26.31² =
  27. 27.49² =
  28. 28.67² =
  29. 29.34² =
  30. 30.68² =
  31. 31.31² =
  32. 32.85² =
  33. 33.31² =
  34. 34.28² =
  35. 35.81² =
  36. 36.46² =
  37. 37.94² =
  38. 38.26² =
  39. 39.61² =
  40. 40.61² =

Answer key

  1. 1369
  2. 6561
  3. 144
  4. 4489
  5. 8281
  6. 8281
  7. 6889
  8. 289
  9. 3721
  10. 3364
  11. 6561
  12. 7396
  13. 9801
  14. 441
  15. 289
  16. 3844
  17. 3136
  18. 3481
  19. 5184
  20. 4624
  21. 7744
  22. 6241
  23. 1369
  24. 1225
  25. 3481
  26. 961
  27. 2401
  28. 4489
  29. 1156
  30. 4624
  31. 961
  32. 7225
  33. 961
  34. 784
  35. 6561
  36. 2116
  37. 8836
  38. 676
  39. 3721
  40. 3721

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