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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 242 · 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. 1.23² =
  2. 2.81² =
  3. 3.31² =
  4. 4.71² =
  5. 5.73² =
  6. 6.97² =
  7. 7.58² =
  8. 8.21² =
  9. 9.54² =
  10. 10.26² =
  11. 11.82² =
  12. 12.52² =
  13. 13.95² =
  14. 14.76² =
  15. 15.66² =
  16. 16.31² =
  17. 17.54² =
  18. 18.47² =
  19. 19.84² =
  20. 20.82² =
  21. 21.11² =
  22. 22.45² =
  23. 23.31² =
  24. 24.72² =
  25. 25.12² =
  26. 26.34² =
  27. 27.87² =
  28. 28.76² =
  29. 29.81² =
  30. 30.54² =
  31. 31.31² =
  32. 32.31² =
  33. 33.28² =
  34. 34.41² =
  35. 35.62² =
  36. 36.98² =
  37. 37.13² =
  38. 38.54² =
  39. 39.95² =
  40. 40.56² =

Answer key

  1. 529
  2. 6561
  3. 961
  4. 5041
  5. 5329
  6. 9409
  7. 3364
  8. 441
  9. 2916
  10. 676
  11. 6724
  12. 2704
  13. 9025
  14. 5776
  15. 4356
  16. 961
  17. 2916
  18. 2209
  19. 7056
  20. 6724
  21. 121
  22. 2025
  23. 961
  24. 5184
  25. 144
  26. 1156
  27. 7569
  28. 5776
  29. 6561
  30. 2916
  31. 961
  32. 961
  33. 784
  34. 1681
  35. 3844
  36. 9604
  37. 169
  38. 2916
  39. 9025
  40. 3136

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