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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 478 · 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. 1.72² =
  2. 2.87² =
  3. 3.91² =
  4. 4.58² =
  5. 5.31² =
  6. 6.77² =
  7. 7.39² =
  8. 8.98² =
  9. 9.84² =
  10. 10.16² =
  11. 11.21² =
  12. 12.51² =
  13. 13.68² =
  14. 14.71² =
  15. 15.98² =
  16. 16.81² =
  17. 17.18² =
  18. 18.89² =
  19. 19.89² =
  20. 20.51² =
  21. 21.91² =
  22. 22.12² =
  23. 23.21² =
  24. 24.29² =
  25. 25.65² =
  26. 26.69² =
  27. 27.21² =
  28. 28.17² =
  29. 29.74² =
  30. 30.29² =
  31. 31.24² =
  32. 32.17² =
  33. 33.11² =
  34. 34.83² =
  35. 35.15² =
  36. 36.47² =
  37. 37.94² =
  38. 38.17² =
  39. 39.88² =
  40. 40.96² =

Answer key

  1. 5184
  2. 7569
  3. 8281
  4. 3364
  5. 961
  6. 5929
  7. 1521
  8. 9604
  9. 7056
  10. 256
  11. 441
  12. 2601
  13. 4624
  14. 5041
  15. 9604
  16. 6561
  17. 324
  18. 7921
  19. 7921
  20. 2601
  21. 8281
  22. 144
  23. 441
  24. 841
  25. 4225
  26. 4761
  27. 441
  28. 289
  29. 5476
  30. 841
  31. 576
  32. 289
  33. 121
  34. 6889
  35. 225
  36. 2209
  37. 8836
  38. 289
  39. 7744
  40. 9216

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