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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 145 · 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. 1.39² =
  2. 2.68² =
  3. 3.85² =
  4. 4.31² =
  5. 5.72² =
  6. 6.63² =
  7. 7.14² =
  8. 8.11² =
  9. 9.62² =
  10. 10.42² =
  11. 11.56² =
  12. 12.21² =
  13. 13.61² =
  14. 14.95² =
  15. 15.18² =
  16. 16.96² =
  17. 17.39² =
  18. 18.54² =
  19. 19.64² =
  20. 20.75² =
  21. 21.31² =
  22. 22.95² =
  23. 23.72² =
  24. 24.62² =
  25. 25.11² =
  26. 26.54² =
  27. 27.26² =
  28. 28.96² =
  29. 29.43² =
  30. 30.14² =
  31. 31.91² =
  32. 32.38² =
  33. 33.16² =
  34. 34.13² =
  35. 35.71² =
  36. 36.22² =
  37. 37.53² =
  38. 38.44² =
  39. 39.15² =
  40. 40.11² =

Answer key

  1. 1521
  2. 4624
  3. 7225
  4. 961
  5. 5184
  6. 3969
  7. 196
  8. 121
  9. 3844
  10. 1764
  11. 3136
  12. 441
  13. 3721
  14. 9025
  15. 324
  16. 9216
  17. 1521
  18. 2916
  19. 4096
  20. 5625
  21. 961
  22. 9025
  23. 5184
  24. 3844
  25. 121
  26. 2916
  27. 676
  28. 9216
  29. 1849
  30. 196
  31. 8281
  32. 1444
  33. 256
  34. 169
  35. 5041
  36. 484
  37. 2809
  38. 1936
  39. 225
  40. 121

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