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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 903 · 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. 1.92² =
  2. 2.72² =
  3. 3.59² =
  4. 4.15² =
  5. 5.58² =
  6. 6.23² =
  7. 7.55² =
  8. 8.48² =
  9. 9.16² =
  10. 10.25² =
  11. 11.41² =
  12. 12.35² =
  13. 13.41² =
  14. 14.56² =
  15. 15.92² =
  16. 16.48² =
  17. 17.25² =
  18. 18.19² =
  19. 19.35² =
  20. 20.18² =
  21. 21.14² =
  22. 22.54² =
  23. 23.85² =
  24. 24.59² =
  25. 25.94² =
  26. 26.35² =
  27. 27.11² =
  28. 28.41² =
  29. 29.18² =
  30. 30.79² =
  31. 31.11² =
  32. 32.54² =
  33. 33.89² =
  34. 34.76² =
  35. 35.36² =
  36. 36.28² =
  37. 37.86² =
  38. 38.37² =
  39. 39.72² =
  40. 40.16² =

Answer key

  1. 8464
  2. 5184
  3. 3481
  4. 225
  5. 3364
  6. 529
  7. 3025
  8. 2304
  9. 256
  10. 625
  11. 1681
  12. 1225
  13. 1681
  14. 3136
  15. 8464
  16. 2304
  17. 625
  18. 361
  19. 1225
  20. 324
  21. 196
  22. 2916
  23. 7225
  24. 3481
  25. 8836
  26. 1225
  27. 121
  28. 1681
  29. 324
  30. 6241
  31. 121
  32. 2916
  33. 7921
  34. 5776
  35. 1296
  36. 784
  37. 7396
  38. 1369
  39. 5184
  40. 256

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