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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 894 · 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. 1.22² =
  2. 2.11² =
  3. 3.25² =
  4. 4.46² =
  5. 5.49² =
  6. 6.27² =
  7. 7.95² =
  8. 8.15² =
  9. 9.85² =
  10. 10.19² =
  11. 11.91² =
  12. 12.85² =
  13. 13.64² =
  14. 14.57² =
  15. 15.94² =
  16. 16.45² =
  17. 17.12² =
  18. 18.73² =
  19. 19.79² =
  20. 20.28² =
  21. 21.25² =
  22. 22.22² =
  23. 23.75² =
  24. 24.18² =
  25. 25.77² =
  26. 26.87² =
  27. 27.84² =
  28. 28.49² =
  29. 29.85² =
  30. 30.67² =
  31. 31.17² =
  32. 32.21² =
  33. 33.69² =
  34. 34.22² =
  35. 35.71² =
  36. 36.22² =
  37. 37.26² =
  38. 38.75² =
  39. 39.21² =
  40. 40.14² =

Answer key

  1. 484
  2. 121
  3. 625
  4. 2116
  5. 2401
  6. 729
  7. 9025
  8. 225
  9. 7225
  10. 361
  11. 8281
  12. 7225
  13. 4096
  14. 3249
  15. 8836
  16. 2025
  17. 144
  18. 5329
  19. 6241
  20. 784
  21. 625
  22. 484
  23. 5625
  24. 324
  25. 5929
  26. 7569
  27. 7056
  28. 2401
  29. 7225
  30. 4489
  31. 289
  32. 441
  33. 4761
  34. 484
  35. 5041
  36. 484
  37. 676
  38. 5625
  39. 441
  40. 196

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