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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 861 · 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. 1.22² =
  2. 2.12² =
  3. 3.36² =
  4. 4.41² =
  5. 5.99² =
  6. 6.17² =
  7. 7.75² =
  8. 8.51² =
  9. 9.89² =
  10. 10.89² =
  11. 11.27² =
  12. 12.87² =
  13. 13.79² =
  14. 14.85² =
  15. 15.69² =
  16. 16.62² =
  17. 17.11² =
  18. 18.67² =
  19. 19.88² =
  20. 20.73² =
  21. 21.44² =
  22. 22.82² =
  23. 23.48² =
  24. 24.76² =
  25. 25.34² =
  26. 26.46² =
  27. 27.23² =
  28. 28.21² =
  29. 29.41² =
  30. 30.19² =
  31. 31.41² =
  32. 32.57² =
  33. 33.84² =
  34. 34.11² =
  35. 35.83² =
  36. 36.39² =
  37. 37.82² =
  38. 38.11² =
  39. 39.81² =
  40. 40.91² =

Answer key

  1. 484
  2. 144
  3. 1296
  4. 1681
  5. 9801
  6. 289
  7. 5625
  8. 2601
  9. 7921
  10. 7921
  11. 729
  12. 7569
  13. 6241
  14. 7225
  15. 4761
  16. 3844
  17. 121
  18. 4489
  19. 7744
  20. 5329
  21. 1936
  22. 6724
  23. 2304
  24. 5776
  25. 1156
  26. 2116
  27. 529
  28. 441
  29. 1681
  30. 361
  31. 1681
  32. 3249
  33. 7056
  34. 121
  35. 6889
  36. 1521
  37. 6724
  38. 121
  39. 6561
  40. 8281

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