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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 627 · 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. 1.69² =
  2. 2.75² =
  3. 3.54² =
  4. 4.82² =
  5. 5.11² =
  6. 6.97² =
  7. 7.12² =
  8. 8.31² =
  9. 9.48² =
  10. 10.73² =
  11. 11.11² =
  12. 12.68² =
  13. 13.79² =
  14. 14.23² =
  15. 15.81² =
  16. 16.77² =
  17. 17.86² =
  18. 18.22² =
  19. 19.93² =
  20. 20.43² =
  21. 21.41² =
  22. 22.52² =
  23. 23.58² =
  24. 24.71² =
  25. 25.81² =
  26. 26.67² =
  27. 27.35² =
  28. 28.71² =
  29. 29.27² =
  30. 30.29² =
  31. 31.95² =
  32. 32.61² =
  33. 33.56² =
  34. 34.58² =
  35. 35.28² =
  36. 36.41² =
  37. 37.16² =
  38. 38.46² =
  39. 39.27² =
  40. 40.92² =

Answer key

  1. 4761
  2. 5625
  3. 2916
  4. 6724
  5. 121
  6. 9409
  7. 144
  8. 961
  9. 2304
  10. 5329
  11. 121
  12. 4624
  13. 6241
  14. 529
  15. 6561
  16. 5929
  17. 7396
  18. 484
  19. 8649
  20. 1849
  21. 1681
  22. 2704
  23. 3364
  24. 5041
  25. 6561
  26. 4489
  27. 1225
  28. 5041
  29. 729
  30. 841
  31. 9025
  32. 3721
  33. 3136
  34. 3364
  35. 784
  36. 1681
  37. 256
  38. 2116
  39. 729
  40. 8464

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