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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 23 · 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. 1.82² =
  2. 2.58² =
  3. 3.94² =
  4. 4.36² =
  5. 5.44² =
  6. 6.44² =
  7. 7.53² =
  8. 8.29² =
  9. 9.72² =
  10. 10.22² =
  11. 11.31² =
  12. 12.39² =
  13. 13.34² =
  14. 14.59² =
  15. 15.39² =
  16. 16.15² =
  17. 17.98² =
  18. 18.76² =
  19. 19.61² =
  20. 20.78² =
  21. 21.12² =
  22. 22.78² =
  23. 23.41² =
  24. 24.21² =
  25. 25.83² =
  26. 26.51² =
  27. 27.19² =
  28. 28.29² =
  29. 29.22² =
  30. 30.73² =
  31. 31.91² =
  32. 32.86² =
  33. 33.74² =
  34. 34.32² =
  35. 35.56² =
  36. 36.28² =
  37. 37.91² =
  38. 38.71² =
  39. 39.83² =
  40. 40.86² =

Answer key

  1. 6724
  2. 3364
  3. 8836
  4. 1296
  5. 1936
  6. 1936
  7. 2809
  8. 841
  9. 5184
  10. 484
  11. 961
  12. 1521
  13. 1156
  14. 3481
  15. 1521
  16. 225
  17. 9604
  18. 5776
  19. 3721
  20. 6084
  21. 144
  22. 6084
  23. 1681
  24. 441
  25. 6889
  26. 2601
  27. 361
  28. 841
  29. 484
  30. 5329
  31. 8281
  32. 7396
  33. 5476
  34. 1024
  35. 3136
  36. 784
  37. 8281
  38. 5041
  39. 6889
  40. 7396

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