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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 107 · 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. 1.93² =
  2. 2.35² =
  3. 3.99² =
  4. 4.61² =
  5. 5.84² =
  6. 6.59² =
  7. 7.49² =
  8. 8.81² =
  9. 9.16² =
  10. 10.44² =
  11. 11.87² =
  12. 12.85² =
  13. 13.83² =
  14. 14.73² =
  15. 15.52² =
  16. 16.58² =
  17. 17.33² =
  18. 18.42² =
  19. 19.95² =
  20. 20.61² =
  21. 21.14² =
  22. 22.62² =
  23. 23.87² =
  24. 24.26² =
  25. 25.79² =
  26. 26.35² =
  27. 27.56² =
  28. 28.23² =
  29. 29.99² =
  30. 30.68² =
  31. 31.21² =
  32. 32.76² =
  33. 33.16² =
  34. 34.87² =
  35. 35.84² =
  36. 36.75² =
  37. 37.56² =
  38. 38.78² =
  39. 39.99² =
  40. 40.21² =

Answer key

  1. 8649
  2. 1225
  3. 9801
  4. 3721
  5. 7056
  6. 3481
  7. 2401
  8. 6561
  9. 256
  10. 1936
  11. 7569
  12. 7225
  13. 6889
  14. 5329
  15. 2704
  16. 3364
  17. 1089
  18. 1764
  19. 9025
  20. 3721
  21. 196
  22. 3844
  23. 7569
  24. 676
  25. 6241
  26. 1225
  27. 3136
  28. 529
  29. 9801
  30. 4624
  31. 441
  32. 5776
  33. 256
  34. 7569
  35. 7056
  36. 5625
  37. 3136
  38. 6084
  39. 9801
  40. 441

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