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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 493 · 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. 1.61² =
  2. 2.85² =
  3. 3.85² =
  4. 4.13² =
  5. 5.82² =
  6. 6.96² =
  7. 7.61² =
  8. 8.26² =
  9. 9.24² =
  10. 10.84² =
  11. 11.68² =
  12. 12.29² =
  13. 13.88² =
  14. 14.86² =
  15. 15.81² =
  16. 16.96² =
  17. 17.31² =
  18. 18.54² =
  19. 19.81² =
  20. 20.56² =
  21. 21.97² =
  22. 22.38² =
  23. 23.81² =
  24. 24.99² =
  25. 25.18² =
  26. 26.17² =
  27. 27.45² =
  28. 28.36² =
  29. 29.31² =
  30. 30.17² =
  31. 31.69² =
  32. 32.66² =
  33. 33.24² =
  34. 34.21² =
  35. 35.96² =
  36. 36.92² =
  37. 37.31² =
  38. 38.86² =
  39. 39.81² =
  40. 40.26² =

Answer key

  1. 3721
  2. 7225
  3. 7225
  4. 169
  5. 6724
  6. 9216
  7. 3721
  8. 676
  9. 576
  10. 7056
  11. 4624
  12. 841
  13. 7744
  14. 7396
  15. 6561
  16. 9216
  17. 961
  18. 2916
  19. 6561
  20. 3136
  21. 9409
  22. 1444
  23. 6561
  24. 9801
  25. 324
  26. 289
  27. 2025
  28. 1296
  29. 961
  30. 289
  31. 4761
  32. 4356
  33. 576
  34. 441
  35. 9216
  36. 8464
  37. 961
  38. 7396
  39. 6561
  40. 676

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