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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 250 · 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. 1.21² =
  2. 2.35² =
  3. 3.26² =
  4. 4.58² =
  5. 5.97² =
  6. 6.56² =
  7. 7.94² =
  8. 8.77² =
  9. 9.34² =
  10. 10.18² =
  11. 11.55² =
  12. 12.28² =
  13. 13.99² =
  14. 14.21² =
  15. 15.83² =
  16. 16.95² =
  17. 17.63² =
  18. 18.82² =
  19. 19.56² =
  20. 20.53² =
  21. 21.19² =
  22. 22.71² =
  23. 23.77² =
  24. 24.14² =
  25. 25.38² =
  26. 26.61² =
  27. 27.93² =
  28. 28.63² =
  29. 29.41² =
  30. 30.29² =
  31. 31.61² =
  32. 32.61² =
  33. 33.16² =
  34. 34.23² =
  35. 35.15² =
  36. 36.57² =
  37. 37.91² =
  38. 38.18² =
  39. 39.38² =
  40. 40.76² =

Answer key

  1. 441
  2. 1225
  3. 676
  4. 3364
  5. 9409
  6. 3136
  7. 8836
  8. 5929
  9. 1156
  10. 324
  11. 3025
  12. 784
  13. 9801
  14. 441
  15. 6889
  16. 9025
  17. 3969
  18. 6724
  19. 3136
  20. 2809
  21. 361
  22. 5041
  23. 5929
  24. 196
  25. 1444
  26. 3721
  27. 8649
  28. 3969
  29. 1681
  30. 841
  31. 3721
  32. 3721
  33. 256
  34. 529
  35. 225
  36. 3249
  37. 8281
  38. 324
  39. 1444
  40. 5776

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