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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 293 · 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. 1.34² =
  2. 2.66² =
  3. 3.15² =
  4. 4.52² =
  5. 5.92² =
  6. 6.21² =
  7. 7.11² =
  8. 8.14² =
  9. 9.41² =
  10. 10.61² =
  11. 11.36² =
  12. 12.19² =
  13. 13.51² =
  14. 14.95² =
  15. 15.73² =
  16. 16.21² =
  17. 17.87² =
  18. 18.24² =
  19. 19.18² =
  20. 20.51² =
  21. 21.47² =
  22. 22.22² =
  23. 23.14² =
  24. 24.66² =
  25. 25.54² =
  26. 26.28² =
  27. 27.12² =
  28. 28.53² =
  29. 29.18² =
  30. 30.54² =
  31. 31.49² =
  32. 32.85² =
  33. 33.61² =
  34. 34.41² =
  35. 35.55² =
  36. 36.44² =
  37. 37.21² =
  38. 38.18² =
  39. 39.83² =
  40. 40.58² =

Answer key

  1. 1156
  2. 4356
  3. 225
  4. 2704
  5. 8464
  6. 441
  7. 121
  8. 196
  9. 1681
  10. 3721
  11. 1296
  12. 361
  13. 2601
  14. 9025
  15. 5329
  16. 441
  17. 7569
  18. 576
  19. 324
  20. 2601
  21. 2209
  22. 484
  23. 196
  24. 4356
  25. 2916
  26. 784
  27. 144
  28. 2809
  29. 324
  30. 2916
  31. 2401
  32. 7225
  33. 3721
  34. 1681
  35. 3025
  36. 1936
  37. 441
  38. 324
  39. 6889
  40. 3364

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