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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 254 · 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. 1.18² =
  2. 2.21² =
  3. 3.47² =
  4. 4.51² =
  5. 5.79² =
  6. 6.46² =
  7. 7.46² =
  8. 8.31² =
  9. 9.98² =
  10. 10.87² =
  11. 11.37² =
  12. 12.12² =
  13. 13.65² =
  14. 14.31² =
  15. 15.71² =
  16. 16.85² =
  17. 17.81² =
  18. 18.56² =
  19. 19.98² =
  20. 20.78² =
  21. 21.94² =
  22. 22.47² =
  23. 23.27² =
  24. 24.37² =
  25. 25.93² =
  26. 26.84² =
  27. 27.57² =
  28. 28.86² =
  29. 29.19² =
  30. 30.16² =
  31. 31.42² =
  32. 32.29² =
  33. 33.69² =
  34. 34.98² =
  35. 35.15² =
  36. 36.14² =
  37. 37.71² =
  38. 38.28² =
  39. 39.87² =
  40. 40.26² =

Answer key

  1. 324
  2. 441
  3. 2209
  4. 2601
  5. 6241
  6. 2116
  7. 2116
  8. 961
  9. 9604
  10. 7569
  11. 1369
  12. 144
  13. 4225
  14. 961
  15. 5041
  16. 7225
  17. 6561
  18. 3136
  19. 9604
  20. 6084
  21. 8836
  22. 2209
  23. 729
  24. 1369
  25. 8649
  26. 7056
  27. 3249
  28. 7396
  29. 361
  30. 256
  31. 1764
  32. 841
  33. 4761
  34. 9604
  35. 225
  36. 196
  37. 5041
  38. 784
  39. 7569
  40. 676

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