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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 167 · 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. 1.53² =
  2. 2.55² =
  3. 3.86² =
  4. 4.95² =
  5. 5.71² =
  6. 6.31² =
  7. 7.53² =
  8. 8.87² =
  9. 9.77² =
  10. 10.63² =
  11. 11.35² =
  12. 12.19² =
  13. 13.31² =
  14. 14.41² =
  15. 15.54² =
  16. 16.61² =
  17. 17.85² =
  18. 18.14² =
  19. 19.87² =
  20. 20.42² =
  21. 21.36² =
  22. 22.39² =
  23. 23.69² =
  24. 24.36² =
  25. 25.94² =
  26. 26.98² =
  27. 27.55² =
  28. 28.52² =
  29. 29.44² =
  30. 30.71² =
  31. 31.71² =
  32. 32.49² =
  33. 33.37² =
  34. 34.47² =
  35. 35.25² =
  36. 36.62² =
  37. 37.56² =
  38. 38.29² =
  39. 39.13² =
  40. 40.21² =

Answer key

  1. 2809
  2. 3025
  3. 7396
  4. 9025
  5. 5041
  6. 961
  7. 2809
  8. 7569
  9. 5929
  10. 3969
  11. 1225
  12. 361
  13. 961
  14. 1681
  15. 2916
  16. 3721
  17. 7225
  18. 196
  19. 7569
  20. 1764
  21. 1296
  22. 1521
  23. 4761
  24. 1296
  25. 8836
  26. 9604
  27. 3025
  28. 2704
  29. 1936
  30. 5041
  31. 5041
  32. 2401
  33. 1369
  34. 2209
  35. 625
  36. 3844
  37. 3136
  38. 841
  39. 169
  40. 441

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