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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 679 · 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. 1.29² =
  2. 2.72² =
  3. 3.87² =
  4. 4.61² =
  5. 5.58² =
  6. 6.15² =
  7. 7.64² =
  8. 8.98² =
  9. 9.83² =
  10. 10.32² =
  11. 11.41² =
  12. 12.16² =
  13. 13.95² =
  14. 14.39² =
  15. 15.65² =
  16. 16.28² =
  17. 17.68² =
  18. 18.15² =
  19. 19.89² =
  20. 20.45² =
  21. 21.62² =
  22. 22.39² =
  23. 23.72² =
  24. 24.98² =
  25. 25.32² =
  26. 26.23² =
  27. 27.89² =
  28. 28.93² =
  29. 29.22² =
  30. 30.97² =
  31. 31.12² =
  32. 32.95² =
  33. 33.32² =
  34. 34.69² =
  35. 35.94² =
  36. 36.15² =
  37. 37.61² =
  38. 38.68² =
  39. 39.72² =
  40. 40.61² =

Answer key

  1. 841
  2. 5184
  3. 7569
  4. 3721
  5. 3364
  6. 225
  7. 4096
  8. 9604
  9. 6889
  10. 1024
  11. 1681
  12. 256
  13. 9025
  14. 1521
  15. 4225
  16. 784
  17. 4624
  18. 225
  19. 7921
  20. 2025
  21. 3844
  22. 1521
  23. 5184
  24. 9604
  25. 1024
  26. 529
  27. 7921
  28. 8649
  29. 484
  30. 9409
  31. 144
  32. 9025
  33. 1024
  34. 4761
  35. 8836
  36. 225
  37. 3721
  38. 4624
  39. 5184
  40. 3721

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