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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 978 · 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. 1.35² =
  2. 2.77² =
  3. 3.46² =
  4. 4.58² =
  5. 5.84² =
  6. 6.67² =
  7. 7.17² =
  8. 8.64² =
  9. 9.87² =
  10. 10.44² =
  11. 11.73² =
  12. 12.26² =
  13. 13.31² =
  14. 14.12² =
  15. 15.23² =
  16. 16.45² =
  17. 17.73² =
  18. 18.16² =
  19. 19.41² =
  20. 20.48² =
  21. 21.23² =
  22. 22.75² =
  23. 23.31² =
  24. 24.82² =
  25. 25.61² =
  26. 26.21² =
  27. 27.76² =
  28. 28.85² =
  29. 29.93² =
  30. 30.44² =
  31. 31.76² =
  32. 32.46² =
  33. 33.57² =
  34. 34.77² =
  35. 35.38² =
  36. 36.95² =
  37. 37.77² =
  38. 38.92² =
  39. 39.47² =
  40. 40.97² =

Answer key

  1. 1225
  2. 5929
  3. 2116
  4. 3364
  5. 7056
  6. 4489
  7. 289
  8. 4096
  9. 7569
  10. 1936
  11. 5329
  12. 676
  13. 961
  14. 144
  15. 529
  16. 2025
  17. 5329
  18. 256
  19. 1681
  20. 2304
  21. 529
  22. 5625
  23. 961
  24. 6724
  25. 3721
  26. 441
  27. 5776
  28. 7225
  29. 8649
  30. 1936
  31. 5776
  32. 2116
  33. 3249
  34. 5929
  35. 1444
  36. 9025
  37. 5929
  38. 8464
  39. 2209
  40. 9409

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