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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 644 · 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. 1.64² =
  2. 2.85² =
  3. 3.34² =
  4. 4.75² =
  5. 5.77² =
  6. 6.68² =
  7. 7.97² =
  8. 8.59² =
  9. 9.12² =
  10. 10.24² =
  11. 11.77² =
  12. 12.54² =
  13. 13.78² =
  14. 14.31² =
  15. 15.93² =
  16. 16.71² =
  17. 17.37² =
  18. 18.39² =
  19. 19.72² =
  20. 20.12² =
  21. 21.89² =
  22. 22.51² =
  23. 23.72² =
  24. 24.56² =
  25. 25.55² =
  26. 26.77² =
  27. 27.64² =
  28. 28.11² =
  29. 29.12² =
  30. 30.71² =
  31. 31.83² =
  32. 32.89² =
  33. 33.25² =
  34. 34.41² =
  35. 35.22² =
  36. 36.31² =
  37. 37.25² =
  38. 38.36² =
  39. 39.35² =
  40. 40.85² =

Answer key

  1. 4096
  2. 7225
  3. 1156
  4. 5625
  5. 5929
  6. 4624
  7. 9409
  8. 3481
  9. 144
  10. 576
  11. 5929
  12. 2916
  13. 6084
  14. 961
  15. 8649
  16. 5041
  17. 1369
  18. 1521
  19. 5184
  20. 144
  21. 7921
  22. 2601
  23. 5184
  24. 3136
  25. 3025
  26. 5929
  27. 4096
  28. 121
  29. 144
  30. 5041
  31. 6889
  32. 7921
  33. 625
  34. 1681
  35. 484
  36. 961
  37. 625
  38. 1296
  39. 1225
  40. 7225

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