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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 446 · 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. 1.86² =
  2. 2.31² =
  3. 3.35² =
  4. 4.92² =
  5. 5.45² =
  6. 6.77² =
  7. 7.25² =
  8. 8.79² =
  9. 9.71² =
  10. 10.63² =
  11. 11.64² =
  12. 12.33² =
  13. 13.22² =
  14. 14.61² =
  15. 15.89² =
  16. 16.68² =
  17. 17.46² =
  18. 18.79² =
  19. 19.41² =
  20. 20.44² =
  21. 21.31² =
  22. 22.67² =
  23. 23.19² =
  24. 24.17² =
  25. 25.32² =
  26. 26.75² =
  27. 27.13² =
  28. 28.77² =
  29. 29.35² =
  30. 30.31² =
  31. 31.39² =
  32. 32.58² =
  33. 33.94² =
  34. 34.43² =
  35. 35.71² =
  36. 36.41² =
  37. 37.29² =
  38. 38.26² =
  39. 39.14² =
  40. 40.62² =

Answer key

  1. 7396
  2. 961
  3. 1225
  4. 8464
  5. 2025
  6. 5929
  7. 625
  8. 6241
  9. 5041
  10. 3969
  11. 4096
  12. 1089
  13. 484
  14. 3721
  15. 7921
  16. 4624
  17. 2116
  18. 6241
  19. 1681
  20. 1936
  21. 961
  22. 4489
  23. 361
  24. 289
  25. 1024
  26. 5625
  27. 169
  28. 5929
  29. 1225
  30. 961
  31. 1521
  32. 3364
  33. 8836
  34. 1849
  35. 5041
  36. 1681
  37. 841
  38. 676
  39. 196
  40. 3844

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