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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 749 · 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. 1.27² =
  2. 2.26² =
  3. 3.93² =
  4. 4.56² =
  5. 5.11² =
  6. 6.38² =
  7. 7.36² =
  8. 8.31² =
  9. 9.78² =
  10. 10.71² =
  11. 11.96² =
  12. 12.81² =
  13. 13.85² =
  14. 14.11² =
  15. 15.83² =
  16. 16.41² =
  17. 17.32² =
  18. 18.47² =
  19. 19.86² =
  20. 20.14² =
  21. 21.78² =
  22. 22.21² =
  23. 23.38² =
  24. 24.55² =
  25. 25.46² =
  26. 26.18² =
  27. 27.91² =
  28. 28.47² =
  29. 29.51² =
  30. 30.56² =
  31. 31.68² =
  32. 32.83² =
  33. 33.26² =
  34. 34.14² =
  35. 35.66² =
  36. 36.14² =
  37. 37.89² =
  38. 38.31² =
  39. 39.36² =
  40. 40.71² =

Answer key

  1. 729
  2. 676
  3. 8649
  4. 3136
  5. 121
  6. 1444
  7. 1296
  8. 961
  9. 6084
  10. 5041
  11. 9216
  12. 6561
  13. 7225
  14. 121
  15. 6889
  16. 1681
  17. 1024
  18. 2209
  19. 7396
  20. 196
  21. 6084
  22. 441
  23. 1444
  24. 3025
  25. 2116
  26. 324
  27. 8281
  28. 2209
  29. 2601
  30. 3136
  31. 4624
  32. 6889
  33. 676
  34. 196
  35. 4356
  36. 196
  37. 7921
  38. 961
  39. 1296
  40. 5041

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