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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 724 · 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. 1.92² =
  2. 2.73² =
  3. 3.14² =
  4. 4.13² =
  5. 5.41² =
  6. 6.63² =
  7. 7.55² =
  8. 8.64² =
  9. 9.84² =
  10. 10.74² =
  11. 11.96² =
  12. 12.37² =
  13. 13.73² =
  14. 14.98² =
  15. 15.63² =
  16. 16.17² =
  17. 17.18² =
  18. 18.64² =
  19. 19.94² =
  20. 20.86² =
  21. 21.98² =
  22. 22.68² =
  23. 23.47² =
  24. 24.54² =
  25. 25.73² =
  26. 26.31² =
  27. 27.28² =
  28. 28.63² =
  29. 29.13² =
  30. 30.75² =
  31. 31.12² =
  32. 32.95² =
  33. 33.29² =
  34. 34.22² =
  35. 35.99² =
  36. 36.53² =
  37. 37.25² =
  38. 38.77² =
  39. 39.86² =
  40. 40.61² =

Answer key

  1. 8464
  2. 5329
  3. 196
  4. 169
  5. 1681
  6. 3969
  7. 3025
  8. 4096
  9. 7056
  10. 5476
  11. 9216
  12. 1369
  13. 5329
  14. 9604
  15. 3969
  16. 289
  17. 324
  18. 4096
  19. 8836
  20. 7396
  21. 9604
  22. 4624
  23. 2209
  24. 2916
  25. 5329
  26. 961
  27. 784
  28. 3969
  29. 169
  30. 5625
  31. 144
  32. 9025
  33. 841
  34. 484
  35. 9801
  36. 2809
  37. 625
  38. 5929
  39. 7396
  40. 3721

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