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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 989 · 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. 1.49² =
  2. 2.13² =
  3. 3.91² =
  4. 4.51² =
  5. 5.56² =
  6. 6.56² =
  7. 7.87² =
  8. 8.82² =
  9. 9.29² =
  10. 10.63² =
  11. 11.21² =
  12. 12.42² =
  13. 13.55² =
  14. 14.75² =
  15. 15.42² =
  16. 16.14² =
  17. 17.33² =
  18. 18.16² =
  19. 19.44² =
  20. 20.26² =
  21. 21.73² =
  22. 22.83² =
  23. 23.51² =
  24. 24.57² =
  25. 25.19² =
  26. 26.26² =
  27. 27.78² =
  28. 28.91² =
  29. 29.11² =
  30. 30.45² =
  31. 31.42² =
  32. 32.23² =
  33. 33.25² =
  34. 34.62² =
  35. 35.42² =
  36. 36.33² =
  37. 37.31² =
  38. 38.94² =
  39. 39.97² =
  40. 40.13² =

Answer key

  1. 2401
  2. 169
  3. 8281
  4. 2601
  5. 3136
  6. 3136
  7. 7569
  8. 6724
  9. 841
  10. 3969
  11. 441
  12. 1764
  13. 3025
  14. 5625
  15. 1764
  16. 196
  17. 1089
  18. 256
  19. 1936
  20. 676
  21. 5329
  22. 6889
  23. 2601
  24. 3249
  25. 361
  26. 676
  27. 6084
  28. 8281
  29. 121
  30. 2025
  31. 1764
  32. 529
  33. 625
  34. 3844
  35. 1764
  36. 1089
  37. 961
  38. 8836
  39. 9409
  40. 169

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