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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 413 · 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. 1.12² =
  2. 2.15² =
  3. 3.84² =
  4. 4.86² =
  5. 5.75² =
  6. 6.22² =
  7. 7.49² =
  8. 8.77² =
  9. 9.79² =
  10. 10.71² =
  11. 11.77² =
  12. 12.23² =
  13. 13.33² =
  14. 14.67² =
  15. 15.63² =
  16. 16.58² =
  17. 17.24² =
  18. 18.46² =
  19. 19.95² =
  20. 20.11² =
  21. 21.13² =
  22. 22.67² =
  23. 23.87² =
  24. 24.21² =
  25. 25.11² =
  26. 26.69² =
  27. 27.28² =
  28. 28.31² =
  29. 29.52² =
  30. 30.26² =
  31. 31.97² =
  32. 32.68² =
  33. 33.76² =
  34. 34.56² =
  35. 35.88² =
  36. 36.33² =
  37. 37.34² =
  38. 38.46² =
  39. 39.24² =
  40. 40.39² =

Answer key

  1. 144
  2. 225
  3. 7056
  4. 7396
  5. 5625
  6. 484
  7. 2401
  8. 5929
  9. 6241
  10. 5041
  11. 5929
  12. 529
  13. 1089
  14. 4489
  15. 3969
  16. 3364
  17. 576
  18. 2116
  19. 9025
  20. 121
  21. 169
  22. 4489
  23. 7569
  24. 441
  25. 121
  26. 4761
  27. 784
  28. 961
  29. 2704
  30. 676
  31. 9409
  32. 4624
  33. 5776
  34. 3136
  35. 7744
  36. 1089
  37. 1156
  38. 2116
  39. 576
  40. 1521

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