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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 226 · 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. 1.73² =
  2. 2.28² =
  3. 3.51² =
  4. 4.57² =
  5. 5.15² =
  6. 6.82² =
  7. 7.25² =
  8. 8.87² =
  9. 9.21² =
  10. 10.93² =
  11. 11.76² =
  12. 12.51² =
  13. 13.64² =
  14. 14.14² =
  15. 15.89² =
  16. 16.26² =
  17. 17.61² =
  18. 18.72² =
  19. 19.85² =
  20. 20.48² =
  21. 21.59² =
  22. 22.91² =
  23. 23.73² =
  24. 24.58² =
  25. 25.79² =
  26. 26.32² =
  27. 27.54² =
  28. 28.71² =
  29. 29.91² =
  30. 30.94² =
  31. 31.84² =
  32. 32.11² =
  33. 33.33² =
  34. 34.14² =
  35. 35.31² =
  36. 36.21² =
  37. 37.83² =
  38. 38.38² =
  39. 39.58² =
  40. 40.83² =

Answer key

  1. 5329
  2. 784
  3. 2601
  4. 3249
  5. 225
  6. 6724
  7. 625
  8. 7569
  9. 441
  10. 8649
  11. 5776
  12. 2601
  13. 4096
  14. 196
  15. 7921
  16. 676
  17. 3721
  18. 5184
  19. 7225
  20. 2304
  21. 3481
  22. 8281
  23. 5329
  24. 3364
  25. 6241
  26. 1024
  27. 2916
  28. 5041
  29. 8281
  30. 8836
  31. 7056
  32. 121
  33. 1089
  34. 196
  35. 961
  36. 441
  37. 6889
  38. 1444
  39. 3364
  40. 6889

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