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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 796 · 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. 1.59² =
  2. 2.89² =
  3. 3.83² =
  4. 4.31² =
  5. 5.35² =
  6. 6.46² =
  7. 7.87² =
  8. 8.36² =
  9. 9.98² =
  10. 10.32² =
  11. 11.41² =
  12. 12.89² =
  13. 13.43² =
  14. 14.27² =
  15. 15.15² =
  16. 16.43² =
  17. 17.16² =
  18. 18.55² =
  19. 19.89² =
  20. 20.85² =
  21. 21.32² =
  22. 22.26² =
  23. 23.69² =
  24. 24.13² =
  25. 25.25² =
  26. 26.58² =
  27. 27.47² =
  28. 28.85² =
  29. 29.58² =
  30. 30.42² =
  31. 31.58² =
  32. 32.67² =
  33. 33.87² =
  34. 34.36² =
  35. 35.57² =
  36. 36.13² =
  37. 37.63² =
  38. 38.16² =
  39. 39.91² =
  40. 40.42² =

Answer key

  1. 3481
  2. 7921
  3. 6889
  4. 961
  5. 1225
  6. 2116
  7. 7569
  8. 1296
  9. 9604
  10. 1024
  11. 1681
  12. 7921
  13. 1849
  14. 729
  15. 225
  16. 1849
  17. 256
  18. 3025
  19. 7921
  20. 7225
  21. 1024
  22. 676
  23. 4761
  24. 169
  25. 625
  26. 3364
  27. 2209
  28. 7225
  29. 3364
  30. 1764
  31. 3364
  32. 4489
  33. 7569
  34. 1296
  35. 3249
  36. 169
  37. 3969
  38. 256
  39. 8281
  40. 1764

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