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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 826 · 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. 1.64² =
  2. 2.23² =
  3. 3.56² =
  4. 4.63² =
  5. 5.21² =
  6. 6.64² =
  7. 7.91² =
  8. 8.39² =
  9. 9.19² =
  10. 10.38² =
  11. 11.98² =
  12. 12.86² =
  13. 13.26² =
  14. 14.86² =
  15. 15.89² =
  16. 16.82² =
  17. 17.65² =
  18. 18.71² =
  19. 19.23² =
  20. 20.84² =
  21. 21.15² =
  22. 22.88² =
  23. 23.92² =
  24. 24.72² =
  25. 25.55² =
  26. 26.51² =
  27. 27.64² =
  28. 28.32² =
  29. 29.36² =
  30. 30.61² =
  31. 31.33² =
  32. 32.57² =
  33. 33.87² =
  34. 34.81² =
  35. 35.91² =
  36. 36.28² =
  37. 37.91² =
  38. 38.17² =
  39. 39.41² =
  40. 40.79² =

Answer key

  1. 4096
  2. 529
  3. 3136
  4. 3969
  5. 441
  6. 4096
  7. 8281
  8. 1521
  9. 361
  10. 1444
  11. 9604
  12. 7396
  13. 676
  14. 7396
  15. 7921
  16. 6724
  17. 4225
  18. 5041
  19. 529
  20. 7056
  21. 225
  22. 7744
  23. 8464
  24. 5184
  25. 3025
  26. 2601
  27. 4096
  28. 1024
  29. 1296
  30. 3721
  31. 1089
  32. 3249
  33. 7569
  34. 6561
  35. 8281
  36. 784
  37. 8281
  38. 289
  39. 1681
  40. 6241

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