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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 664 · 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. 1.52² =
  2. 2.74² =
  3. 3.89² =
  4. 4.52² =
  5. 5.13² =
  6. 6.86² =
  7. 7.85² =
  8. 8.51² =
  9. 9.22² =
  10. 10.81² =
  11. 11.58² =
  12. 12.94² =
  13. 13.23² =
  14. 14.91² =
  15. 15.18² =
  16. 16.85² =
  17. 17.61² =
  18. 18.38² =
  19. 19.81² =
  20. 20.25² =
  21. 21.15² =
  22. 22.78² =
  23. 23.18² =
  24. 24.78² =
  25. 25.81² =
  26. 26.71² =
  27. 27.31² =
  28. 28.27² =
  29. 29.89² =
  30. 30.31² =
  31. 31.57² =
  32. 32.51² =
  33. 33.19² =
  34. 34.13² =
  35. 35.92² =
  36. 36.54² =
  37. 37.24² =
  38. 38.89² =
  39. 39.77² =
  40. 40.43² =

Answer key

  1. 2704
  2. 5476
  3. 7921
  4. 2704
  5. 169
  6. 7396
  7. 7225
  8. 2601
  9. 484
  10. 6561
  11. 3364
  12. 8836
  13. 529
  14. 8281
  15. 324
  16. 7225
  17. 3721
  18. 1444
  19. 6561
  20. 625
  21. 225
  22. 6084
  23. 324
  24. 6084
  25. 6561
  26. 5041
  27. 961
  28. 729
  29. 7921
  30. 961
  31. 3249
  32. 2601
  33. 361
  34. 169
  35. 8464
  36. 2916
  37. 576
  38. 7921
  39. 5929
  40. 1849

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