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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 801 · 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. 1.79² =
  2. 2.67² =
  3. 3.81² =
  4. 4.35² =
  5. 5.82² =
  6. 6.73² =
  7. 7.81² =
  8. 8.21² =
  9. 9.77² =
  10. 10.31² =
  11. 11.82² =
  12. 12.72² =
  13. 13.82² =
  14. 14.95² =
  15. 15.32² =
  16. 16.22² =
  17. 17.19² =
  18. 18.37² =
  19. 19.51² =
  20. 20.31² =
  21. 21.83² =
  22. 22.23² =
  23. 23.76² =
  24. 24.55² =
  25. 25.16² =
  26. 26.35² =
  27. 27.31² =
  28. 28.57² =
  29. 29.21² =
  30. 30.29² =
  31. 31.32² =
  32. 32.23² =
  33. 33.82² =
  34. 34.22² =
  35. 35.51² =
  36. 36.32² =
  37. 37.86² =
  38. 38.44² =
  39. 39.51² =
  40. 40.84² =

Answer key

  1. 6241
  2. 4489
  3. 6561
  4. 1225
  5. 6724
  6. 5329
  7. 6561
  8. 441
  9. 5929
  10. 961
  11. 6724
  12. 5184
  13. 6724
  14. 9025
  15. 1024
  16. 484
  17. 361
  18. 1369
  19. 2601
  20. 961
  21. 6889
  22. 529
  23. 5776
  24. 3025
  25. 256
  26. 1225
  27. 961
  28. 3249
  29. 441
  30. 841
  31. 1024
  32. 529
  33. 6724
  34. 484
  35. 2601
  36. 1024
  37. 7396
  38. 1936
  39. 2601
  40. 7056

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