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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 309 · 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. 1.26² =
  2. 2.42² =
  3. 3.55² =
  4. 4.47² =
  5. 5.63² =
  6. 6.16² =
  7. 7.26² =
  8. 8.81² =
  9. 9.64² =
  10. 10.81² =
  11. 11.21² =
  12. 12.38² =
  13. 13.37² =
  14. 14.93² =
  15. 15.74² =
  16. 16.59² =
  17. 17.78² =
  18. 18.17² =
  19. 19.53² =
  20. 20.44² =
  21. 21.28² =
  22. 22.61² =
  23. 23.45² =
  24. 24.11² =
  25. 25.29² =
  26. 26.35² =
  27. 27.92² =
  28. 28.54² =
  29. 29.14² =
  30. 30.75² =
  31. 31.97² =
  32. 32.57² =
  33. 33.28² =
  34. 34.63² =
  35. 35.59² =
  36. 36.64² =
  37. 37.34² =
  38. 38.64² =
  39. 39.93² =
  40. 40.91² =

Answer key

  1. 676
  2. 1764
  3. 3025
  4. 2209
  5. 3969
  6. 256
  7. 676
  8. 6561
  9. 4096
  10. 6561
  11. 441
  12. 1444
  13. 1369
  14. 8649
  15. 5476
  16. 3481
  17. 6084
  18. 289
  19. 2809
  20. 1936
  21. 784
  22. 3721
  23. 2025
  24. 121
  25. 841
  26. 1225
  27. 8464
  28. 2916
  29. 196
  30. 5625
  31. 9409
  32. 3249
  33. 784
  34. 3969
  35. 3481
  36. 4096
  37. 1156
  38. 4096
  39. 8649
  40. 8281

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