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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 622 · 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. 1.57² =
  2. 2.33² =
  3. 3.69² =
  4. 4.13² =
  5. 5.58² =
  6. 6.33² =
  7. 7.31² =
  8. 8.71² =
  9. 9.52² =
  10. 10.88² =
  11. 11.89² =
  12. 12.83² =
  13. 13.21² =
  14. 14.61² =
  15. 15.41² =
  16. 16.55² =
  17. 17.62² =
  18. 18.18² =
  19. 19.22² =
  20. 20.11² =
  21. 21.88² =
  22. 22.91² =
  23. 23.54² =
  24. 24.16² =
  25. 25.95² =
  26. 26.81² =
  27. 27.56² =
  28. 28.71² =
  29. 29.41² =
  30. 30.54² =
  31. 31.21² =
  32. 32.35² =
  33. 33.61² =
  34. 34.21² =
  35. 35.91² =
  36. 36.11² =
  37. 37.75² =
  38. 38.77² =
  39. 39.36² =
  40. 40.35² =

Answer key

  1. 3249
  2. 1089
  3. 4761
  4. 169
  5. 3364
  6. 1089
  7. 961
  8. 5041
  9. 2704
  10. 7744
  11. 7921
  12. 6889
  13. 441
  14. 3721
  15. 1681
  16. 3025
  17. 3844
  18. 324
  19. 484
  20. 121
  21. 7744
  22. 8281
  23. 2916
  24. 256
  25. 9025
  26. 6561
  27. 3136
  28. 5041
  29. 1681
  30. 2916
  31. 441
  32. 1225
  33. 3721
  34. 441
  35. 8281
  36. 121
  37. 5625
  38. 5929
  39. 1296
  40. 1225

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