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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 614 · 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. 1.71² =
  2. 2.83² =
  3. 3.91² =
  4. 4.22² =
  5. 5.91² =
  6. 6.89² =
  7. 7.22² =
  8. 8.62² =
  9. 9.97² =
  10. 10.95² =
  11. 11.37² =
  12. 12.39² =
  13. 13.43² =
  14. 14.21² =
  15. 15.67² =
  16. 16.93² =
  17. 17.64² =
  18. 18.54² =
  19. 19.56² =
  20. 20.49² =
  21. 21.68² =
  22. 22.56² =
  23. 23.76² =
  24. 24.41² =
  25. 25.68² =
  26. 26.15² =
  27. 27.64² =
  28. 28.71² =
  29. 29.83² =
  30. 30.89² =
  31. 31.79² =
  32. 32.96² =
  33. 33.69² =
  34. 34.73² =
  35. 35.85² =
  36. 36.48² =
  37. 37.51² =
  38. 38.17² =
  39. 39.44² =
  40. 40.17² =

Answer key

  1. 5041
  2. 6889
  3. 8281
  4. 484
  5. 8281
  6. 7921
  7. 484
  8. 3844
  9. 9409
  10. 9025
  11. 1369
  12. 1521
  13. 1849
  14. 441
  15. 4489
  16. 8649
  17. 4096
  18. 2916
  19. 3136
  20. 2401
  21. 4624
  22. 3136
  23. 5776
  24. 1681
  25. 4624
  26. 225
  27. 4096
  28. 5041
  29. 6889
  30. 7921
  31. 6241
  32. 9216
  33. 4761
  34. 5329
  35. 7225
  36. 2304
  37. 2601
  38. 289
  39. 1936
  40. 289

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