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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 706 · 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. 1.91² =
  2. 2.64² =
  3. 3.26² =
  4. 4.83² =
  5. 5.52² =
  6. 6.41² =
  7. 7.84² =
  8. 8.41² =
  9. 9.46² =
  10. 10.44² =
  11. 11.23² =
  12. 12.51² =
  13. 13.75² =
  14. 14.28² =
  15. 15.51² =
  16. 16.17² =
  17. 17.34² =
  18. 18.61² =
  19. 19.79² =
  20. 20.81² =
  21. 21.99² =
  22. 22.73² =
  23. 23.43² =
  24. 24.81² =
  25. 25.57² =
  26. 26.68² =
  27. 27.19² =
  28. 28.29² =
  29. 29.61² =
  30. 30.94² =
  31. 31.19² =
  32. 32.98² =
  33. 33.81² =
  34. 34.71² =
  35. 35.28² =
  36. 36.16² =
  37. 37.89² =
  38. 38.18² =
  39. 39.56² =
  40. 40.22² =

Answer key

  1. 8281
  2. 4096
  3. 676
  4. 6889
  5. 2704
  6. 1681
  7. 7056
  8. 1681
  9. 2116
  10. 1936
  11. 529
  12. 2601
  13. 5625
  14. 784
  15. 2601
  16. 289
  17. 1156
  18. 3721
  19. 6241
  20. 6561
  21. 9801
  22. 5329
  23. 1849
  24. 6561
  25. 3249
  26. 4624
  27. 361
  28. 841
  29. 3721
  30. 8836
  31. 361
  32. 9604
  33. 6561
  34. 5041
  35. 784
  36. 256
  37. 7921
  38. 324
  39. 3136
  40. 484

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