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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 772 · 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. 1.55² =
  2. 2.61² =
  3. 3.37² =
  4. 4.51² =
  5. 5.53² =
  6. 6.84² =
  7. 7.15² =
  8. 8.68² =
  9. 9.47² =
  10. 10.23² =
  11. 11.74² =
  12. 12.27² =
  13. 13.98² =
  14. 14.57² =
  15. 15.67² =
  16. 16.89² =
  17. 17.46² =
  18. 18.19² =
  19. 19.56² =
  20. 20.14² =
  21. 21.83² =
  22. 22.73² =
  23. 23.23² =
  24. 24.62² =
  25. 25.22² =
  26. 26.35² =
  27. 27.82² =
  28. 28.11² =
  29. 29.39² =
  30. 30.26² =
  31. 31.42² =
  32. 32.22² =
  33. 33.95² =
  34. 34.26² =
  35. 35.27² =
  36. 36.37² =
  37. 37.33² =
  38. 38.34² =
  39. 39.82² =
  40. 40.28² =

Answer key

  1. 3025
  2. 3721
  3. 1369
  4. 2601
  5. 2809
  6. 7056
  7. 225
  8. 4624
  9. 2209
  10. 529
  11. 5476
  12. 729
  13. 9604
  14. 3249
  15. 4489
  16. 7921
  17. 2116
  18. 361
  19. 3136
  20. 196
  21. 6889
  22. 5329
  23. 529
  24. 3844
  25. 484
  26. 1225
  27. 6724
  28. 121
  29. 1521
  30. 676
  31. 1764
  32. 484
  33. 9025
  34. 676
  35. 729
  36. 1369
  37. 1089
  38. 1156
  39. 6724
  40. 784

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