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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 38 · 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. 1.74² =
  2. 2.36² =
  3. 3.39² =
  4. 4.68² =
  5. 5.92² =
  6. 6.96² =
  7. 7.51² =
  8. 8.52² =
  9. 9.21² =
  10. 10.95² =
  11. 11.39² =
  12. 12.26² =
  13. 13.13² =
  14. 14.26² =
  15. 15.12² =
  16. 16.17² =
  17. 17.22² =
  18. 18.53² =
  19. 19.63² =
  20. 20.95² =
  21. 21.46² =
  22. 22.16² =
  23. 23.11² =
  24. 24.41² =
  25. 25.73² =
  26. 26.48² =
  27. 27.54² =
  28. 28.18² =
  29. 29.97² =
  30. 30.21² =
  31. 31.67² =
  32. 32.47² =
  33. 33.51² =
  34. 34.47² =
  35. 35.42² =
  36. 36.26² =
  37. 37.66² =
  38. 38.11² =
  39. 39.21² =
  40. 40.57² =

Answer key

  1. 5476
  2. 1296
  3. 1521
  4. 4624
  5. 8464
  6. 9216
  7. 2601
  8. 2704
  9. 441
  10. 9025
  11. 1521
  12. 676
  13. 169
  14. 676
  15. 144
  16. 289
  17. 484
  18. 2809
  19. 3969
  20. 9025
  21. 2116
  22. 256
  23. 121
  24. 1681
  25. 5329
  26. 2304
  27. 2916
  28. 324
  29. 9409
  30. 441
  31. 4489
  32. 2209
  33. 2601
  34. 2209
  35. 1764
  36. 676
  37. 4356
  38. 121
  39. 441
  40. 3249

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