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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 980 · 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. 1.61² =
  2. 2.17² =
  3. 3.31² =
  4. 4.33² =
  5. 5.54² =
  6. 6.64² =
  7. 7.38² =
  8. 8.34² =
  9. 9.32² =
  10. 10.49² =
  11. 11.44² =
  12. 12.61² =
  13. 13.21² =
  14. 14.93² =
  15. 15.99² =
  16. 16.43² =
  17. 17.97² =
  18. 18.61² =
  19. 19.89² =
  20. 20.15² =
  21. 21.91² =
  22. 22.73² =
  23. 23.31² =
  24. 24.31² =
  25. 25.77² =
  26. 26.53² =
  27. 27.33² =
  28. 28.68² =
  29. 29.88² =
  30. 30.26² =
  31. 31.57² =
  32. 32.61² =
  33. 33.27² =
  34. 34.75² =
  35. 35.66² =
  36. 36.91² =
  37. 37.38² =
  38. 38.82² =
  39. 39.81² =
  40. 40.79² =

Answer key

  1. 3721
  2. 289
  3. 961
  4. 1089
  5. 2916
  6. 4096
  7. 1444
  8. 1156
  9. 1024
  10. 2401
  11. 1936
  12. 3721
  13. 441
  14. 8649
  15. 9801
  16. 1849
  17. 9409
  18. 3721
  19. 7921
  20. 225
  21. 8281
  22. 5329
  23. 961
  24. 961
  25. 5929
  26. 2809
  27. 1089
  28. 4624
  29. 7744
  30. 676
  31. 3249
  32. 3721
  33. 729
  34. 5625
  35. 4356
  36. 8281
  37. 1444
  38. 6724
  39. 6561
  40. 6241

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