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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 56 · 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. 1.89² =
  2. 2.61² =
  3. 3.72² =
  4. 4.54² =
  5. 5.64² =
  6. 6.51² =
  7. 7.91² =
  8. 8.57² =
  9. 9.19² =
  10. 10.19² =
  11. 11.44² =
  12. 12.22² =
  13. 13.71² =
  14. 14.28² =
  15. 15.51² =
  16. 16.76² =
  17. 17.52² =
  18. 18.37² =
  19. 19.41² =
  20. 20.97² =
  21. 21.99² =
  22. 22.25² =
  23. 23.61² =
  24. 24.74² =
  25. 25.61² =
  26. 26.28² =
  27. 27.99² =
  28. 28.89² =
  29. 29.56² =
  30. 30.87² =
  31. 31.16² =
  32. 32.87² =
  33. 33.77² =
  34. 34.88² =
  35. 35.29² =
  36. 36.71² =
  37. 37.33² =
  38. 38.17² =
  39. 39.32² =
  40. 40.38² =

Answer key

  1. 7921
  2. 3721
  3. 5184
  4. 2916
  5. 4096
  6. 2601
  7. 8281
  8. 3249
  9. 361
  10. 361
  11. 1936
  12. 484
  13. 5041
  14. 784
  15. 2601
  16. 5776
  17. 2704
  18. 1369
  19. 1681
  20. 9409
  21. 9801
  22. 625
  23. 3721
  24. 5476
  25. 3721
  26. 784
  27. 9801
  28. 7921
  29. 3136
  30. 7569
  31. 256
  32. 7569
  33. 5929
  34. 7744
  35. 841
  36. 5041
  37. 1089
  38. 289
  39. 1024
  40. 1444

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