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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 833 · 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. 1.99² =
  2. 2.29² =
  3. 3.22² =
  4. 4.72² =
  5. 5.15² =
  6. 6.81² =
  7. 7.95² =
  8. 8.85² =
  9. 9.33² =
  10. 10.19² =
  11. 11.65² =
  12. 12.22² =
  13. 13.42² =
  14. 14.73² =
  15. 15.88² =
  16. 16.44² =
  17. 17.75² =
  18. 18.41² =
  19. 19.58² =
  20. 20.31² =
  21. 21.69² =
  22. 22.51² =
  23. 23.57² =
  24. 24.93² =
  25. 25.92² =
  26. 26.11² =
  27. 27.69² =
  28. 28.39² =
  29. 29.39² =
  30. 30.13² =
  31. 31.58² =
  32. 32.98² =
  33. 33.11² =
  34. 34.26² =
  35. 35.75² =
  36. 36.56² =
  37. 37.11² =
  38. 38.12² =
  39. 39.55² =
  40. 40.28² =

Answer key

  1. 9801
  2. 841
  3. 484
  4. 5184
  5. 225
  6. 6561
  7. 9025
  8. 7225
  9. 1089
  10. 361
  11. 4225
  12. 484
  13. 1764
  14. 5329
  15. 7744
  16. 1936
  17. 5625
  18. 1681
  19. 3364
  20. 961
  21. 4761
  22. 2601
  23. 3249
  24. 8649
  25. 8464
  26. 121
  27. 4761
  28. 1521
  29. 1521
  30. 169
  31. 3364
  32. 9604
  33. 121
  34. 676
  35. 5625
  36. 3136
  37. 121
  38. 144
  39. 3025
  40. 784

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