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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 936 · 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. 1.74² =
  2. 2.23² =
  3. 3.78² =
  4. 4.45² =
  5. 5.91² =
  6. 6.53² =
  7. 7.52² =
  8. 8.48² =
  9. 9.16² =
  10. 10.26² =
  11. 11.33² =
  12. 12.52² =
  13. 13.53² =
  14. 14.91² =
  15. 15.48² =
  16. 16.42² =
  17. 17.55² =
  18. 18.73² =
  19. 19.36² =
  20. 20.54² =
  21. 21.31² =
  22. 22.28² =
  23. 23.74² =
  24. 24.33² =
  25. 25.59² =
  26. 26.18² =
  27. 27.15² =
  28. 28.87² =
  29. 29.79² =
  30. 30.52² =
  31. 31.53² =
  32. 32.31² =
  33. 33.27² =
  34. 34.56² =
  35. 35.89² =
  36. 36.39² =
  37. 37.42² =
  38. 38.47² =
  39. 39.41² =
  40. 40.79² =

Answer key

  1. 5476
  2. 529
  3. 6084
  4. 2025
  5. 8281
  6. 2809
  7. 2704
  8. 2304
  9. 256
  10. 676
  11. 1089
  12. 2704
  13. 2809
  14. 8281
  15. 2304
  16. 1764
  17. 3025
  18. 5329
  19. 1296
  20. 2916
  21. 961
  22. 784
  23. 5476
  24. 1089
  25. 3481
  26. 324
  27. 225
  28. 7569
  29. 6241
  30. 2704
  31. 2809
  32. 961
  33. 729
  34. 3136
  35. 7921
  36. 1521
  37. 1764
  38. 2209
  39. 1681
  40. 6241

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