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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 255 · 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. 1.25² =
  2. 2.26² =
  3. 3.75² =
  4. 4.81² =
  5. 5.18² =
  6. 6.85² =
  7. 7.62² =
  8. 8.82² =
  9. 9.34² =
  10. 10.62² =
  11. 11.77² =
  12. 12.26² =
  13. 13.48² =
  14. 14.51² =
  15. 15.92² =
  16. 16.63² =
  17. 17.49² =
  18. 18.31² =
  19. 19.38² =
  20. 20.57² =
  21. 21.39² =
  22. 22.61² =
  23. 23.26² =
  24. 24.63² =
  25. 25.74² =
  26. 26.16² =
  27. 27.54² =
  28. 28.44² =
  29. 29.89² =
  30. 30.91² =
  31. 31.63² =
  32. 32.13² =
  33. 33.81² =
  34. 34.85² =
  35. 35.47² =
  36. 36.57² =
  37. 37.91² =
  38. 38.71² =
  39. 39.86² =
  40. 40.36² =

Answer key

  1. 625
  2. 676
  3. 5625
  4. 6561
  5. 324
  6. 7225
  7. 3844
  8. 6724
  9. 1156
  10. 3844
  11. 5929
  12. 676
  13. 2304
  14. 2601
  15. 8464
  16. 3969
  17. 2401
  18. 961
  19. 1444
  20. 3249
  21. 1521
  22. 3721
  23. 676
  24. 3969
  25. 5476
  26. 256
  27. 2916
  28. 1936
  29. 7921
  30. 8281
  31. 3969
  32. 169
  33. 6561
  34. 7225
  35. 2209
  36. 3249
  37. 8281
  38. 5041
  39. 7396
  40. 1296

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