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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 175 · 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. 1.68² =
  2. 2.35² =
  3. 3.21² =
  4. 4.86² =
  5. 5.79² =
  6. 6.37² =
  7. 7.74² =
  8. 8.96² =
  9. 9.35² =
  10. 10.23² =
  11. 11.87² =
  12. 12.56² =
  13. 13.59² =
  14. 14.55² =
  15. 15.81² =
  16. 16.34² =
  17. 17.83² =
  18. 18.59² =
  19. 19.31² =
  20. 20.93² =
  21. 21.15² =
  22. 22.11² =
  23. 23.37² =
  24. 24.67² =
  25. 25.73² =
  26. 26.87² =
  27. 27.53² =
  28. 28.39² =
  29. 29.93² =
  30. 30.71² =
  31. 31.34² =
  32. 32.51² =
  33. 33.33² =
  34. 34.32² =
  35. 35.31² =
  36. 36.23² =
  37. 37.81² =
  38. 38.57² =
  39. 39.28² =
  40. 40.25² =

Answer key

  1. 4624
  2. 1225
  3. 441
  4. 7396
  5. 6241
  6. 1369
  7. 5476
  8. 9216
  9. 1225
  10. 529
  11. 7569
  12. 3136
  13. 3481
  14. 3025
  15. 6561
  16. 1156
  17. 6889
  18. 3481
  19. 961
  20. 8649
  21. 225
  22. 121
  23. 1369
  24. 4489
  25. 5329
  26. 7569
  27. 2809
  28. 1521
  29. 8649
  30. 5041
  31. 1156
  32. 2601
  33. 1089
  34. 1024
  35. 961
  36. 529
  37. 6561
  38. 3249
  39. 784
  40. 625

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