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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 507 · 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. 1.18² =
  2. 2.91² =
  3. 3.19² =
  4. 4.86² =
  5. 5.64² =
  6. 6.52² =
  7. 7.22² =
  8. 8.95² =
  9. 9.27² =
  10. 10.16² =
  11. 11.91² =
  12. 12.15² =
  13. 13.19² =
  14. 14.58² =
  15. 15.48² =
  16. 16.78² =
  17. 17.61² =
  18. 18.31² =
  19. 19.59² =
  20. 20.81² =
  21. 21.21² =
  22. 22.35² =
  23. 23.62² =
  24. 24.56² =
  25. 25.88² =
  26. 26.98² =
  27. 27.17² =
  28. 28.65² =
  29. 29.83² =
  30. 30.56² =
  31. 31.92² =
  32. 32.32² =
  33. 33.18² =
  34. 34.83² =
  35. 35.15² =
  36. 36.54² =
  37. 37.12² =
  38. 38.43² =
  39. 39.73² =
  40. 40.31² =

Answer key

  1. 324
  2. 8281
  3. 361
  4. 7396
  5. 4096
  6. 2704
  7. 484
  8. 9025
  9. 729
  10. 256
  11. 8281
  12. 225
  13. 361
  14. 3364
  15. 2304
  16. 6084
  17. 3721
  18. 961
  19. 3481
  20. 6561
  21. 441
  22. 1225
  23. 3844
  24. 3136
  25. 7744
  26. 9604
  27. 289
  28. 4225
  29. 6889
  30. 3136
  31. 8464
  32. 1024
  33. 324
  34. 6889
  35. 225
  36. 2916
  37. 144
  38. 1849
  39. 5329
  40. 961

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