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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 379 · 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. 1.54² =
  2. 2.27² =
  3. 3.28² =
  4. 4.41² =
  5. 5.75² =
  6. 6.62² =
  7. 7.52² =
  8. 8.51² =
  9. 9.15² =
  10. 10.43² =
  11. 11.34² =
  12. 12.28² =
  13. 13.81² =
  14. 14.31² =
  15. 15.52² =
  16. 16.34² =
  17. 17.55² =
  18. 18.51² =
  19. 19.43² =
  20. 20.87² =
  21. 21.14² =
  22. 22.33² =
  23. 23.96² =
  24. 24.74² =
  25. 25.42² =
  26. 26.43² =
  27. 27.21² =
  28. 28.31² =
  29. 29.62² =
  30. 30.17² =
  31. 31.26² =
  32. 32.17² =
  33. 33.22² =
  34. 34.44² =
  35. 35.24² =
  36. 36.47² =
  37. 37.29² =
  38. 38.27² =
  39. 39.32² =
  40. 40.11² =

Answer key

  1. 2916
  2. 729
  3. 784
  4. 1681
  5. 5625
  6. 3844
  7. 2704
  8. 2601
  9. 225
  10. 1849
  11. 1156
  12. 784
  13. 6561
  14. 961
  15. 2704
  16. 1156
  17. 3025
  18. 2601
  19. 1849
  20. 7569
  21. 196
  22. 1089
  23. 9216
  24. 5476
  25. 1764
  26. 1849
  27. 441
  28. 961
  29. 3844
  30. 289
  31. 676
  32. 289
  33. 484
  34. 1936
  35. 576
  36. 2209
  37. 841
  38. 729
  39. 1024
  40. 121

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