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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 731 · 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. 1.92² =
  2. 2.19² =
  3. 3.97² =
  4. 4.16² =
  5. 5.47² =
  6. 6.48² =
  7. 7.51² =
  8. 8.55² =
  9. 9.23² =
  10. 10.15² =
  11. 11.69² =
  12. 12.43² =
  13. 13.92² =
  14. 14.46² =
  15. 15.91² =
  16. 16.86² =
  17. 17.35² =
  18. 18.22² =
  19. 19.68² =
  20. 20.65² =
  21. 21.91² =
  22. 22.68² =
  23. 23.38² =
  24. 24.83² =
  25. 25.29² =
  26. 26.63² =
  27. 27.18² =
  28. 28.45² =
  29. 29.79² =
  30. 30.37² =
  31. 31.91² =
  32. 32.22² =
  33. 33.31² =
  34. 34.46² =
  35. 35.59² =
  36. 36.21² =
  37. 37.23² =
  38. 38.12² =
  39. 39.51² =
  40. 40.31² =

Answer key

  1. 8464
  2. 361
  3. 9409
  4. 256
  5. 2209
  6. 2304
  7. 2601
  8. 3025
  9. 529
  10. 225
  11. 4761
  12. 1849
  13. 8464
  14. 2116
  15. 8281
  16. 7396
  17. 1225
  18. 484
  19. 4624
  20. 4225
  21. 8281
  22. 4624
  23. 1444
  24. 6889
  25. 841
  26. 3969
  27. 324
  28. 2025
  29. 6241
  30. 1369
  31. 8281
  32. 484
  33. 961
  34. 2116
  35. 3481
  36. 441
  37. 529
  38. 144
  39. 2601
  40. 961

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