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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 489 · 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. 1.56² =
  2. 2.41² =
  3. 3.83² =
  4. 4.68² =
  5. 5.49² =
  6. 6.74² =
  7. 7.21² =
  8. 8.23² =
  9. 9.31² =
  10. 10.12² =
  11. 11.31² =
  12. 12.18² =
  13. 13.81² =
  14. 14.68² =
  15. 15.33² =
  16. 16.41² =
  17. 17.15² =
  18. 18.94² =
  19. 19.51² =
  20. 20.58² =
  21. 21.61² =
  22. 22.87² =
  23. 23.82² =
  24. 24.31² =
  25. 25.84² =
  26. 26.41² =
  27. 27.36² =
  28. 28.83² =
  29. 29.18² =
  30. 30.68² =
  31. 31.19² =
  32. 32.91² =
  33. 33.97² =
  34. 34.95² =
  35. 35.69² =
  36. 36.41² =
  37. 37.25² =
  38. 38.84² =
  39. 39.61² =
  40. 40.21² =

Answer key

  1. 3136
  2. 1681
  3. 6889
  4. 4624
  5. 2401
  6. 5476
  7. 441
  8. 529
  9. 961
  10. 144
  11. 961
  12. 324
  13. 6561
  14. 4624
  15. 1089
  16. 1681
  17. 225
  18. 8836
  19. 2601
  20. 3364
  21. 3721
  22. 7569
  23. 6724
  24. 961
  25. 7056
  26. 1681
  27. 1296
  28. 6889
  29. 324
  30. 4624
  31. 361
  32. 8281
  33. 9409
  34. 9025
  35. 4761
  36. 1681
  37. 625
  38. 7056
  39. 3721
  40. 441

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