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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 159 · 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. 1.71² =
  2. 2.75² =
  3. 3.91² =
  4. 4.84² =
  5. 5.67² =
  6. 6.39² =
  7. 7.49² =
  8. 8.92² =
  9. 9.61² =
  10. 10.37² =
  11. 11.23² =
  12. 12.91² =
  13. 13.46² =
  14. 14.95² =
  15. 15.66² =
  16. 16.31² =
  17. 17.25² =
  18. 18.83² =
  19. 19.12² =
  20. 20.25² =
  21. 21.96² =
  22. 22.34² =
  23. 23.81² =
  24. 24.61² =
  25. 25.32² =
  26. 26.68² =
  27. 27.32² =
  28. 28.51² =
  29. 29.61² =
  30. 30.62² =
  31. 31.18² =
  32. 32.32² =
  33. 33.75² =
  34. 34.15² =
  35. 35.52² =
  36. 36.23² =
  37. 37.69² =
  38. 38.51² =
  39. 39.93² =
  40. 40.22² =

Answer key

  1. 5041
  2. 5625
  3. 8281
  4. 7056
  5. 4489
  6. 1521
  7. 2401
  8. 8464
  9. 3721
  10. 1369
  11. 529
  12. 8281
  13. 2116
  14. 9025
  15. 4356
  16. 961
  17. 625
  18. 6889
  19. 144
  20. 625
  21. 9216
  22. 1156
  23. 6561
  24. 3721
  25. 1024
  26. 4624
  27. 1024
  28. 2601
  29. 3721
  30. 3844
  31. 324
  32. 1024
  33. 5625
  34. 225
  35. 2704
  36. 529
  37. 4761
  38. 2601
  39. 8649
  40. 484

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