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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 120 · 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. 1.31² =
  2. 2.65² =
  3. 3.52² =
  4. 4.43² =
  5. 5.79² =
  6. 6.33² =
  7. 7.25² =
  8. 8.77² =
  9. 9.26² =
  10. 10.85² =
  11. 11.21² =
  12. 12.29² =
  13. 13.98² =
  14. 14.31² =
  15. 15.24² =
  16. 16.65² =
  17. 17.11² =
  18. 18.43² =
  19. 19.36² =
  20. 20.46² =
  21. 21.59² =
  22. 22.32² =
  23. 23.31² =
  24. 24.55² =
  25. 25.98² =
  26. 26.67² =
  27. 27.68² =
  28. 28.45² =
  29. 29.93² =
  30. 30.98² =
  31. 31.15² =
  32. 32.38² =
  33. 33.61² =
  34. 34.76² =
  35. 35.14² =
  36. 36.67² =
  37. 37.88² =
  38. 38.51² =
  39. 39.56² =
  40. 40.36² =

Answer key

  1. 961
  2. 4225
  3. 2704
  4. 1849
  5. 6241
  6. 1089
  7. 625
  8. 5929
  9. 676
  10. 7225
  11. 441
  12. 841
  13. 9604
  14. 961
  15. 576
  16. 4225
  17. 121
  18. 1849
  19. 1296
  20. 2116
  21. 3481
  22. 1024
  23. 961
  24. 3025
  25. 9604
  26. 4489
  27. 4624
  28. 2025
  29. 8649
  30. 9604
  31. 225
  32. 1444
  33. 3721
  34. 5776
  35. 196
  36. 4489
  37. 7744
  38. 2601
  39. 3136
  40. 1296

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