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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 458 · 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. 1.51² =
  2. 2.17² =
  3. 3.32² =
  4. 4.88² =
  5. 5.16² =
  6. 6.48² =
  7. 7.98² =
  8. 8.15² =
  9. 9.51² =
  10. 10.11² =
  11. 11.38² =
  12. 12.46² =
  13. 13.55² =
  14. 14.85² =
  15. 15.35² =
  16. 16.22² =
  17. 17.14² =
  18. 18.47² =
  19. 19.57² =
  20. 20.32² =
  21. 21.77² =
  22. 22.58² =
  23. 23.49² =
  24. 24.83² =
  25. 25.81² =
  26. 26.54² =
  27. 27.81² =
  28. 28.28² =
  29. 29.38² =
  30. 30.69² =
  31. 31.91² =
  32. 32.51² =
  33. 33.16² =
  34. 34.31² =
  35. 35.31² =
  36. 36.22² =
  37. 37.39² =
  38. 38.27² =
  39. 39.16² =
  40. 40.61² =

Answer key

  1. 2601
  2. 289
  3. 1024
  4. 7744
  5. 256
  6. 2304
  7. 9604
  8. 225
  9. 2601
  10. 121
  11. 1444
  12. 2116
  13. 3025
  14. 7225
  15. 1225
  16. 484
  17. 196
  18. 2209
  19. 3249
  20. 1024
  21. 5929
  22. 3364
  23. 2401
  24. 6889
  25. 6561
  26. 2916
  27. 6561
  28. 784
  29. 1444
  30. 4761
  31. 8281
  32. 2601
  33. 256
  34. 961
  35. 961
  36. 484
  37. 1521
  38. 729
  39. 256
  40. 3721

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