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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 813 · 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. 1.42² =
  2. 2.37² =
  3. 3.57² =
  4. 4.91² =
  5. 5.82² =
  6. 6.47² =
  7. 7.15² =
  8. 8.98² =
  9. 9.22² =
  10. 10.71² =
  11. 11.93² =
  12. 12.43² =
  13. 13.77² =
  14. 14.31² =
  15. 15.23² =
  16. 16.19² =
  17. 17.26² =
  18. 18.62² =
  19. 19.91² =
  20. 20.73² =
  21. 21.31² =
  22. 22.24² =
  23. 23.67² =
  24. 24.43² =
  25. 25.27² =
  26. 26.38² =
  27. 27.67² =
  28. 28.29² =
  29. 29.78² =
  30. 30.31² =
  31. 31.95² =
  32. 32.47² =
  33. 33.21² =
  34. 34.96² =
  35. 35.18² =
  36. 36.76² =
  37. 37.61² =
  38. 38.28² =
  39. 39.31² =
  40. 40.68² =

Answer key

  1. 1764
  2. 1369
  3. 3249
  4. 8281
  5. 6724
  6. 2209
  7. 225
  8. 9604
  9. 484
  10. 5041
  11. 8649
  12. 1849
  13. 5929
  14. 961
  15. 529
  16. 361
  17. 676
  18. 3844
  19. 8281
  20. 5329
  21. 961
  22. 576
  23. 4489
  24. 1849
  25. 729
  26. 1444
  27. 4489
  28. 841
  29. 6084
  30. 961
  31. 9025
  32. 2209
  33. 441
  34. 9216
  35. 324
  36. 5776
  37. 3721
  38. 784
  39. 961
  40. 4624

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