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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 787 · 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. 1.78² =
  2. 2.87² =
  3. 3.44² =
  4. 4.21² =
  5. 5.16² =
  6. 6.26² =
  7. 7.87² =
  8. 8.56² =
  9. 9.55² =
  10. 10.61² =
  11. 11.91² =
  12. 12.76² =
  13. 13.19² =
  14. 14.86² =
  15. 15.99² =
  16. 16.61² =
  17. 17.13² =
  18. 18.23² =
  19. 19.61² =
  20. 20.35² =
  21. 21.77² =
  22. 22.16² =
  23. 23.92² =
  24. 24.35² =
  25. 25.52² =
  26. 26.51² =
  27. 27.78² =
  28. 28.52² =
  29. 29.39² =
  30. 30.17² =
  31. 31.86² =
  32. 32.77² =
  33. 33.19² =
  34. 34.56² =
  35. 35.42² =
  36. 36.88² =
  37. 37.51² =
  38. 38.39² =
  39. 39.87² =
  40. 40.11² =

Answer key

  1. 6084
  2. 7569
  3. 1936
  4. 441
  5. 256
  6. 676
  7. 7569
  8. 3136
  9. 3025
  10. 3721
  11. 8281
  12. 5776
  13. 361
  14. 7396
  15. 9801
  16. 3721
  17. 169
  18. 529
  19. 3721
  20. 1225
  21. 5929
  22. 256
  23. 8464
  24. 1225
  25. 2704
  26. 2601
  27. 6084
  28. 2704
  29. 1521
  30. 289
  31. 7396
  32. 5929
  33. 361
  34. 3136
  35. 1764
  36. 7744
  37. 2601
  38. 1521
  39. 7569
  40. 121

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