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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 416 · 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. 1.79² =
  2. 2.55² =
  3. 3.78² =
  4. 4.93² =
  5. 5.45² =
  6. 6.48² =
  7. 7.21² =
  8. 8.97² =
  9. 9.61² =
  10. 10.31² =
  11. 11.77² =
  12. 12.31² =
  13. 13.53² =
  14. 14.52² =
  15. 15.68² =
  16. 16.57² =
  17. 17.98² =
  18. 18.46² =
  19. 19.16² =
  20. 20.32² =
  21. 21.17² =
  22. 22.44² =
  23. 23.65² =
  24. 24.35² =
  25. 25.49² =
  26. 26.82² =
  27. 27.17² =
  28. 28.41² =
  29. 29.58² =
  30. 30.85² =
  31. 31.41² =
  32. 32.42² =
  33. 33.15² =
  34. 34.36² =
  35. 35.76² =
  36. 36.51² =
  37. 37.35² =
  38. 38.15² =
  39. 39.25² =
  40. 40.64² =

Answer key

  1. 6241
  2. 3025
  3. 6084
  4. 8649
  5. 2025
  6. 2304
  7. 441
  8. 9409
  9. 3721
  10. 961
  11. 5929
  12. 961
  13. 2809
  14. 2704
  15. 4624
  16. 3249
  17. 9604
  18. 2116
  19. 256
  20. 1024
  21. 289
  22. 1936
  23. 4225
  24. 1225
  25. 2401
  26. 6724
  27. 289
  28. 1681
  29. 3364
  30. 7225
  31. 1681
  32. 1764
  33. 225
  34. 1296
  35. 5776
  36. 2601
  37. 1225
  38. 225
  39. 625
  40. 4096

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