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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 454 · 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. 2.68² =
  3. 3.18² =
  4. 4.56² =
  5. 5.89² =
  6. 6.24² =
  7. 7.13² =
  8. 8.89² =
  9. 9.75² =
  10. 10.87² =
  11. 11.21² =
  12. 12.45² =
  13. 13.45² =
  14. 14.99² =
  15. 15.28² =
  16. 16.13² =
  17. 17.45² =
  18. 18.87² =
  19. 19.47² =
  20. 20.16² =
  21. 21.69² =
  22. 22.22² =
  23. 23.77² =
  24. 24.13² =
  25. 25.12² =
  26. 26.98² =
  27. 27.91² =
  28. 28.88² =
  29. 29.75² =
  30. 30.47² =
  31. 31.69² =
  32. 32.62² =
  33. 33.73² =
  34. 34.31² =
  35. 35.13² =
  36. 36.35² =
  37. 37.61² =
  38. 38.51² =
  39. 39.73² =
  40. 40.59² =

Answer key

  1. 8649
  2. 4624
  3. 324
  4. 3136
  5. 7921
  6. 576
  7. 169
  8. 7921
  9. 5625
  10. 7569
  11. 441
  12. 2025
  13. 2025
  14. 9801
  15. 784
  16. 169
  17. 2025
  18. 7569
  19. 2209
  20. 256
  21. 4761
  22. 484
  23. 5929
  24. 169
  25. 144
  26. 9604
  27. 8281
  28. 7744
  29. 5625
  30. 2209
  31. 4761
  32. 3844
  33. 5329
  34. 961
  35. 169
  36. 1225
  37. 3721
  38. 2601
  39. 5329
  40. 3481

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