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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 204 · 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. 1.83² =
  2. 2.55² =
  3. 3.67² =
  4. 4.35² =
  5. 5.35² =
  6. 6.55² =
  7. 7.92² =
  8. 8.69² =
  9. 9.91² =
  10. 10.96² =
  11. 11.25² =
  12. 12.46² =
  13. 13.87² =
  14. 14.49² =
  15. 15.94² =
  16. 16.16² =
  17. 17.48² =
  18. 18.37² =
  19. 19.55² =
  20. 20.79² =
  21. 21.53² =
  22. 22.11² =
  23. 23.69² =
  24. 24.45² =
  25. 25.15² =
  26. 26.82² =
  27. 27.56² =
  28. 28.24² =
  29. 29.32² =
  30. 30.84² =
  31. 31.52² =
  32. 32.21² =
  33. 33.61² =
  34. 34.24² =
  35. 35.75² =
  36. 36.67² =
  37. 37.91² =
  38. 38.25² =
  39. 39.22² =
  40. 40.29² =

Answer key

  1. 6889
  2. 3025
  3. 4489
  4. 1225
  5. 1225
  6. 3025
  7. 8464
  8. 4761
  9. 8281
  10. 9216
  11. 625
  12. 2116
  13. 7569
  14. 2401
  15. 8836
  16. 256
  17. 2304
  18. 1369
  19. 3025
  20. 6241
  21. 2809
  22. 121
  23. 4761
  24. 2025
  25. 225
  26. 6724
  27. 3136
  28. 576
  29. 1024
  30. 7056
  31. 2704
  32. 441
  33. 3721
  34. 576
  35. 5625
  36. 4489
  37. 8281
  38. 625
  39. 484
  40. 841

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