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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 176 · 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. 1.21² =
  2. 2.29² =
  3. 3.25² =
  4. 4.56² =
  5. 5.61² =
  6. 6.72² =
  7. 7.81² =
  8. 8.28² =
  9. 9.46² =
  10. 10.14² =
  11. 11.23² =
  12. 12.35² =
  13. 13.47² =
  14. 14.54² =
  15. 15.93² =
  16. 16.79² =
  17. 17.53² =
  18. 18.52² =
  19. 19.92² =
  20. 20.32² =
  21. 21.85² =
  22. 22.52² =
  23. 23.35² =
  24. 24.43² =
  25. 25.96² =
  26. 26.22² =
  27. 27.51² =
  28. 28.77² =
  29. 29.24² =
  30. 30.35² =
  31. 31.22² =
  32. 32.76² =
  33. 33.73² =
  34. 34.61² =
  35. 35.77² =
  36. 36.13² =
  37. 37.44² =
  38. 38.59² =
  39. 39.11² =
  40. 40.67² =

Answer key

  1. 441
  2. 841
  3. 625
  4. 3136
  5. 3721
  6. 5184
  7. 6561
  8. 784
  9. 2116
  10. 196
  11. 529
  12. 1225
  13. 2209
  14. 2916
  15. 8649
  16. 6241
  17. 2809
  18. 2704
  19. 8464
  20. 1024
  21. 7225
  22. 2704
  23. 1225
  24. 1849
  25. 9216
  26. 484
  27. 2601
  28. 5929
  29. 576
  30. 1225
  31. 484
  32. 5776
  33. 5329
  34. 3721
  35. 5929
  36. 169
  37. 1936
  38. 3481
  39. 121
  40. 4489

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