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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 252 · 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. 1.91² =
  2. 2.99² =
  3. 3.94² =
  4. 4.23² =
  5. 5.25² =
  6. 6.95² =
  7. 7.95² =
  8. 8.13² =
  9. 9.88² =
  10. 10.42² =
  11. 11.12² =
  12. 12.61² =
  13. 13.91² =
  14. 14.47² =
  15. 15.34² =
  16. 16.52² =
  17. 17.63² =
  18. 18.76² =
  19. 19.52² =
  20. 20.25² =
  21. 21.81² =
  22. 22.26² =
  23. 23.73² =
  24. 24.72² =
  25. 25.59² =
  26. 26.18² =
  27. 27.35² =
  28. 28.23² =
  29. 29.91² =
  30. 30.96² =
  31. 31.13² =
  32. 32.14² =
  33. 33.92² =
  34. 34.21² =
  35. 35.87² =
  36. 36.29² =
  37. 37.33² =
  38. 38.91² =
  39. 39.31² =
  40. 40.81² =

Answer key

  1. 8281
  2. 9801
  3. 8836
  4. 529
  5. 625
  6. 9025
  7. 9025
  8. 169
  9. 7744
  10. 1764
  11. 144
  12. 3721
  13. 8281
  14. 2209
  15. 1156
  16. 2704
  17. 3969
  18. 5776
  19. 2704
  20. 625
  21. 6561
  22. 676
  23. 5329
  24. 5184
  25. 3481
  26. 324
  27. 1225
  28. 529
  29. 8281
  30. 9216
  31. 169
  32. 196
  33. 8464
  34. 441
  35. 7569
  36. 841
  37. 1089
  38. 8281
  39. 961
  40. 6561

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