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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 169 · 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. 2.48² =
  3. 3.33² =
  4. 4.47² =
  5. 5.94² =
  6. 6.57² =
  7. 7.11² =
  8. 8.61² =
  9. 9.59² =
  10. 10.16² =
  11. 11.31² =
  12. 12.55² =
  13. 13.34² =
  14. 14.66² =
  15. 15.45² =
  16. 16.46² =
  17. 17.62² =
  18. 18.24² =
  19. 19.71² =
  20. 20.59² =
  21. 21.35² =
  22. 22.38² =
  23. 23.58² =
  24. 24.87² =
  25. 25.53² =
  26. 26.73² =
  27. 27.63² =
  28. 28.12² =
  29. 29.62² =
  30. 30.56² =
  31. 31.96² =
  32. 32.91² =
  33. 33.28² =
  34. 34.32² =
  35. 35.42² =
  36. 36.36² =
  37. 37.69² =
  38. 38.79² =
  39. 39.35² =
  40. 40.77² =

Answer key

  1. 3249
  2. 2304
  3. 1089
  4. 2209
  5. 8836
  6. 3249
  7. 121
  8. 3721
  9. 3481
  10. 256
  11. 961
  12. 3025
  13. 1156
  14. 4356
  15. 2025
  16. 2116
  17. 3844
  18. 576
  19. 5041
  20. 3481
  21. 1225
  22. 1444
  23. 3364
  24. 7569
  25. 2809
  26. 5329
  27. 3969
  28. 144
  29. 3844
  30. 3136
  31. 9216
  32. 8281
  33. 784
  34. 1024
  35. 1764
  36. 1296
  37. 4761
  38. 6241
  39. 1225
  40. 5929

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