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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 769 · 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. 1.67² =
  2. 2.11² =
  3. 3.51² =
  4. 4.11² =
  5. 5.85² =
  6. 6.79² =
  7. 7.58² =
  8. 8.28² =
  9. 9.42² =
  10. 10.81² =
  11. 11.51² =
  12. 12.47² =
  13. 13.71² =
  14. 14.66² =
  15. 15.71² =
  16. 16.51² =
  17. 17.41² =
  18. 18.34² =
  19. 19.98² =
  20. 20.96² =
  21. 21.45² =
  22. 22.15² =
  23. 23.86² =
  24. 24.16² =
  25. 25.23² =
  26. 26.99² =
  27. 27.42² =
  28. 28.71² =
  29. 29.36² =
  30. 30.14² =
  31. 31.58² =
  32. 32.95² =
  33. 33.57² =
  34. 34.32² =
  35. 35.77² =
  36. 36.84² =
  37. 37.81² =
  38. 38.26² =
  39. 39.47² =
  40. 40.54² =

Answer key

  1. 4489
  2. 121
  3. 2601
  4. 121
  5. 7225
  6. 6241
  7. 3364
  8. 784
  9. 1764
  10. 6561
  11. 2601
  12. 2209
  13. 5041
  14. 4356
  15. 5041
  16. 2601
  17. 1681
  18. 1156
  19. 9604
  20. 9216
  21. 2025
  22. 225
  23. 7396
  24. 256
  25. 529
  26. 9801
  27. 1764
  28. 5041
  29. 1296
  30. 196
  31. 3364
  32. 9025
  33. 3249
  34. 1024
  35. 5929
  36. 7056
  37. 6561
  38. 676
  39. 2209
  40. 2916

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