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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 997 · 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. 1.83² =
  2. 2.81² =
  3. 3.61² =
  4. 4.59² =
  5. 5.59² =
  6. 6.82² =
  7. 7.95² =
  8. 8.83² =
  9. 9.47² =
  10. 10.87² =
  11. 11.25² =
  12. 12.23² =
  13. 13.11² =
  14. 14.25² =
  15. 15.26² =
  16. 16.12² =
  17. 17.87² =
  18. 18.41² =
  19. 19.13² =
  20. 20.21² =
  21. 21.61² =
  22. 22.67² =
  23. 23.21² =
  24. 24.13² =
  25. 25.75² =
  26. 26.23² =
  27. 27.77² =
  28. 28.23² =
  29. 29.85² =
  30. 30.49² =
  31. 31.56² =
  32. 32.52² =
  33. 33.35² =
  34. 34.15² =
  35. 35.81² =
  36. 36.21² =
  37. 37.89² =
  38. 38.17² =
  39. 39.62² =
  40. 40.66² =

Answer key

  1. 6889
  2. 6561
  3. 3721
  4. 3481
  5. 3481
  6. 6724
  7. 9025
  8. 6889
  9. 2209
  10. 7569
  11. 625
  12. 529
  13. 121
  14. 625
  15. 676
  16. 144
  17. 7569
  18. 1681
  19. 169
  20. 441
  21. 3721
  22. 4489
  23. 441
  24. 169
  25. 5625
  26. 529
  27. 5929
  28. 529
  29. 7225
  30. 2401
  31. 3136
  32. 2704
  33. 1225
  34. 225
  35. 6561
  36. 441
  37. 7921
  38. 289
  39. 3844
  40. 4356

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