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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 579 · 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. 1.14² =
  2. 2.61² =
  3. 3.11² =
  4. 4.63² =
  5. 5.65² =
  6. 6.35² =
  7. 7.32² =
  8. 8.23² =
  9. 9.36² =
  10. 10.68² =
  11. 11.86² =
  12. 12.32² =
  13. 13.13² =
  14. 14.18² =
  15. 15.67² =
  16. 16.28² =
  17. 17.62² =
  18. 18.85² =
  19. 19.18² =
  20. 20.74² =
  21. 21.91² =
  22. 22.16² =
  23. 23.91² =
  24. 24.91² =
  25. 25.32² =
  26. 26.59² =
  27. 27.35² =
  28. 28.31² =
  29. 29.96² =
  30. 30.61² =
  31. 31.91² =
  32. 32.99² =
  33. 33.21² =
  34. 34.61² =
  35. 35.67² =
  36. 36.46² =
  37. 37.26² =
  38. 38.39² =
  39. 39.91² =
  40. 40.27² =

Answer key

  1. 196
  2. 3721
  3. 121
  4. 3969
  5. 4225
  6. 1225
  7. 1024
  8. 529
  9. 1296
  10. 4624
  11. 7396
  12. 1024
  13. 169
  14. 324
  15. 4489
  16. 784
  17. 3844
  18. 7225
  19. 324
  20. 5476
  21. 8281
  22. 256
  23. 8281
  24. 8281
  25. 1024
  26. 3481
  27. 1225
  28. 961
  29. 9216
  30. 3721
  31. 8281
  32. 9801
  33. 441
  34. 3721
  35. 4489
  36. 2116
  37. 676
  38. 1521
  39. 8281
  40. 729

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