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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 111 · 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. 1.91² =
  2. 2.13² =
  3. 3.97² =
  4. 4.31² =
  5. 5.85² =
  6. 6.74² =
  7. 7.73² =
  8. 8.64² =
  9. 9.46² =
  10. 10.21² =
  11. 11.21² =
  12. 12.49² =
  13. 13.24² =
  14. 14.81² =
  15. 15.47² =
  16. 16.94² =
  17. 17.11² =
  18. 18.58² =
  19. 19.91² =
  20. 20.91² =
  21. 21.81² =
  22. 22.21² =
  23. 23.77² =
  24. 24.57² =
  25. 25.31² =
  26. 26.88² =
  27. 27.88² =
  28. 28.92² =
  29. 29.61² =
  30. 30.85² =
  31. 31.82² =
  32. 32.54² =
  33. 33.58² =
  34. 34.17² =
  35. 35.34² =
  36. 36.19² =
  37. 37.45² =
  38. 38.13² =
  39. 39.32² =
  40. 40.48² =

Answer key

  1. 8281
  2. 169
  3. 9409
  4. 961
  5. 7225
  6. 5476
  7. 5329
  8. 4096
  9. 2116
  10. 441
  11. 441
  12. 2401
  13. 576
  14. 6561
  15. 2209
  16. 8836
  17. 121
  18. 3364
  19. 8281
  20. 8281
  21. 6561
  22. 441
  23. 5929
  24. 3249
  25. 961
  26. 7744
  27. 7744
  28. 8464
  29. 3721
  30. 7225
  31. 6724
  32. 2916
  33. 3364
  34. 289
  35. 1156
  36. 361
  37. 2025
  38. 169
  39. 1024
  40. 2304

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