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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 315 · 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. 1.65² =
  2. 2.31² =
  3. 3.79² =
  4. 4.17² =
  5. 5.65² =
  6. 6.25² =
  7. 7.62² =
  8. 8.48² =
  9. 9.12² =
  10. 10.24² =
  11. 11.48² =
  12. 12.74² =
  13. 13.91² =
  14. 14.35² =
  15. 15.81² =
  16. 16.69² =
  17. 17.49² =
  18. 18.31² =
  19. 19.46² =
  20. 20.26² =
  21. 21.79² =
  22. 22.31² =
  23. 23.71² =
  24. 24.18² =
  25. 25.58² =
  26. 26.22² =
  27. 27.71² =
  28. 28.65² =
  29. 29.17² =
  30. 30.61² =
  31. 31.67² =
  32. 32.88² =
  33. 33.23² =
  34. 34.65² =
  35. 35.92² =
  36. 36.87² =
  37. 37.72² =
  38. 38.15² =
  39. 39.55² =
  40. 40.21² =

Answer key

  1. 4225
  2. 961
  3. 6241
  4. 289
  5. 4225
  6. 625
  7. 3844
  8. 2304
  9. 144
  10. 576
  11. 2304
  12. 5476
  13. 8281
  14. 1225
  15. 6561
  16. 4761
  17. 2401
  18. 961
  19. 2116
  20. 676
  21. 6241
  22. 961
  23. 5041
  24. 324
  25. 3364
  26. 484
  27. 5041
  28. 4225
  29. 289
  30. 3721
  31. 4489
  32. 7744
  33. 529
  34. 4225
  35. 8464
  36. 7569
  37. 5184
  38. 225
  39. 3025
  40. 441

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