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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 650 · 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. 1.66² =
  2. 2.84² =
  3. 3.41² =
  4. 4.17² =
  5. 5.53² =
  6. 6.36² =
  7. 7.57² =
  8. 8.87² =
  9. 9.85² =
  10. 10.61² =
  11. 11.74² =
  12. 12.87² =
  13. 13.55² =
  14. 14.24² =
  15. 15.44² =
  16. 16.51² =
  17. 17.42² =
  18. 18.63² =
  19. 19.69² =
  20. 20.35² =
  21. 21.58² =
  22. 22.55² =
  23. 23.82² =
  24. 24.68² =
  25. 25.64² =
  26. 26.15² =
  27. 27.58² =
  28. 28.18² =
  29. 29.53² =
  30. 30.12² =
  31. 31.96² =
  32. 32.61² =
  33. 33.91² =
  34. 34.44² =
  35. 35.31² =
  36. 36.93² =
  37. 37.71² =
  38. 38.79² =
  39. 39.21² =
  40. 40.64² =

Answer key

  1. 4356
  2. 7056
  3. 1681
  4. 289
  5. 2809
  6. 1296
  7. 3249
  8. 7569
  9. 7225
  10. 3721
  11. 5476
  12. 7569
  13. 3025
  14. 576
  15. 1936
  16. 2601
  17. 1764
  18. 3969
  19. 4761
  20. 1225
  21. 3364
  22. 3025
  23. 6724
  24. 4624
  25. 4096
  26. 225
  27. 3364
  28. 324
  29. 2809
  30. 144
  31. 9216
  32. 3721
  33. 8281
  34. 1936
  35. 961
  36. 8649
  37. 5041
  38. 6241
  39. 441
  40. 4096

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