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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 296 · 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. 1.58² =
  2. 2.12² =
  3. 3.66² =
  4. 4.71² =
  5. 5.96² =
  6. 6.12² =
  7. 7.79² =
  8. 8.26² =
  9. 9.26² =
  10. 10.25² =
  11. 11.73² =
  12. 12.29² =
  13. 13.69² =
  14. 14.83² =
  15. 15.73² =
  16. 16.81² =
  17. 17.87² =
  18. 18.83² =
  19. 19.61² =
  20. 20.21² =
  21. 21.93² =
  22. 22.81² =
  23. 23.69² =
  24. 24.65² =
  25. 25.17² =
  26. 26.33² =
  27. 27.78² =
  28. 28.58² =
  29. 29.57² =
  30. 30.11² =
  31. 31.22² =
  32. 32.39² =
  33. 33.58² =
  34. 34.32² =
  35. 35.19² =
  36. 36.53² =
  37. 37.11² =
  38. 38.68² =
  39. 39.62² =
  40. 40.75² =

Answer key

  1. 3364
  2. 144
  3. 4356
  4. 5041
  5. 9216
  6. 144
  7. 6241
  8. 676
  9. 676
  10. 625
  11. 5329
  12. 841
  13. 4761
  14. 6889
  15. 5329
  16. 6561
  17. 7569
  18. 6889
  19. 3721
  20. 441
  21. 8649
  22. 6561
  23. 4761
  24. 4225
  25. 289
  26. 1089
  27. 6084
  28. 3364
  29. 3249
  30. 121
  31. 484
  32. 1521
  33. 3364
  34. 1024
  35. 361
  36. 2809
  37. 121
  38. 4624
  39. 3844
  40. 5625

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