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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 626 · 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. 1.56² =
  2. 2.63² =
  3. 3.21² =
  4. 4.17² =
  5. 5.81² =
  6. 6.57² =
  7. 7.97² =
  8. 8.22² =
  9. 9.64² =
  10. 10.41² =
  11. 11.52² =
  12. 12.19² =
  13. 13.81² =
  14. 14.94² =
  15. 15.41² =
  16. 16.91² =
  17. 17.88² =
  18. 18.12² =
  19. 19.55² =
  20. 20.96² =
  21. 21.12² =
  22. 22.31² =
  23. 23.79² =
  24. 24.23² =
  25. 25.38² =
  26. 26.13² =
  27. 27.77² =
  28. 28.21² =
  29. 29.89² =
  30. 30.43² =
  31. 31.51² =
  32. 32.47² =
  33. 33.77² =
  34. 34.15² =
  35. 35.55² =
  36. 36.42² =
  37. 37.63² =
  38. 38.77² =
  39. 39.34² =
  40. 40.97² =

Answer key

  1. 3136
  2. 3969
  3. 441
  4. 289
  5. 6561
  6. 3249
  7. 9409
  8. 484
  9. 4096
  10. 1681
  11. 2704
  12. 361
  13. 6561
  14. 8836
  15. 1681
  16. 8281
  17. 7744
  18. 144
  19. 3025
  20. 9216
  21. 144
  22. 961
  23. 6241
  24. 529
  25. 1444
  26. 169
  27. 5929
  28. 441
  29. 7921
  30. 1849
  31. 2601
  32. 2209
  33. 5929
  34. 225
  35. 3025
  36. 1764
  37. 3969
  38. 5929
  39. 1156
  40. 9409

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