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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 994 · 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. 1.41² =
  2. 2.58² =
  3. 3.99² =
  4. 4.41² =
  5. 5.75² =
  6. 6.19² =
  7. 7.93² =
  8. 8.42² =
  9. 9.91² =
  10. 10.19² =
  11. 11.32² =
  12. 12.31² =
  13. 13.36² =
  14. 14.61² =
  15. 15.61² =
  16. 16.82² =
  17. 17.19² =
  18. 18.24² =
  19. 19.21² =
  20. 20.68² =
  21. 21.18² =
  22. 22.73² =
  23. 23.32² =
  24. 24.33² =
  25. 25.31² =
  26. 26.52² =
  27. 27.83² =
  28. 28.41² =
  29. 29.39² =
  30. 30.57² =
  31. 31.55² =
  32. 32.17² =
  33. 33.31² =
  34. 34.95² =
  35. 35.71² =
  36. 36.38² =
  37. 37.22² =
  38. 38.76² =
  39. 39.99² =
  40. 40.33² =

Answer key

  1. 1681
  2. 3364
  3. 9801
  4. 1681
  5. 5625
  6. 361
  7. 8649
  8. 1764
  9. 8281
  10. 361
  11. 1024
  12. 961
  13. 1296
  14. 3721
  15. 3721
  16. 6724
  17. 361
  18. 576
  19. 441
  20. 4624
  21. 324
  22. 5329
  23. 1024
  24. 1089
  25. 961
  26. 2704
  27. 6889
  28. 1681
  29. 1521
  30. 3249
  31. 3025
  32. 289
  33. 961
  34. 9025
  35. 5041
  36. 1444
  37. 484
  38. 5776
  39. 9801
  40. 1089

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