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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 121 · 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. 1.44² =
  2. 2.19² =
  3. 3.94² =
  4. 4.21² =
  5. 5.71² =
  6. 6.35² =
  7. 7.96² =
  8. 8.93² =
  9. 9.14² =
  10. 10.46² =
  11. 11.31² =
  12. 12.56² =
  13. 13.89² =
  14. 14.13² =
  15. 15.15² =
  16. 16.86² =
  17. 17.77² =
  18. 18.61² =
  19. 19.22² =
  20. 20.35² =
  21. 21.71² =
  22. 22.71² =
  23. 23.51² =
  24. 24.85² =
  25. 25.37² =
  26. 26.51² =
  27. 27.41² =
  28. 28.87² =
  29. 29.16² =
  30. 30.95² =
  31. 31.61² =
  32. 32.24² =
  33. 33.58² =
  34. 34.95² =
  35. 35.86² =
  36. 36.82² =
  37. 37.69² =
  38. 38.89² =
  39. 39.53² =
  40. 40.47² =

Answer key

  1. 1936
  2. 361
  3. 8836
  4. 441
  5. 5041
  6. 1225
  7. 9216
  8. 8649
  9. 196
  10. 2116
  11. 961
  12. 3136
  13. 7921
  14. 169
  15. 225
  16. 7396
  17. 5929
  18. 3721
  19. 484
  20. 1225
  21. 5041
  22. 5041
  23. 2601
  24. 7225
  25. 1369
  26. 2601
  27. 1681
  28. 7569
  29. 256
  30. 9025
  31. 3721
  32. 576
  33. 3364
  34. 9025
  35. 7396
  36. 6724
  37. 4761
  38. 7921
  39. 2809
  40. 2209

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