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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 865 · 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. 1.93² =
  2. 2.78² =
  3. 3.81² =
  4. 4.85² =
  5. 5.77² =
  6. 6.23² =
  7. 7.85² =
  8. 8.44² =
  9. 9.29² =
  10. 10.61² =
  11. 11.81² =
  12. 12.82² =
  13. 13.92² =
  14. 14.94² =
  15. 15.96² =
  16. 16.99² =
  17. 17.97² =
  18. 18.56² =
  19. 19.92² =
  20. 20.65² =
  21. 21.22² =
  22. 22.71² =
  23. 23.73² =
  24. 24.55² =
  25. 25.46² =
  26. 26.85² =
  27. 27.91² =
  28. 28.62² =
  29. 29.57² =
  30. 30.23² =
  31. 31.58² =
  32. 32.47² =
  33. 33.71² =
  34. 34.39² =
  35. 35.49² =
  36. 36.39² =
  37. 37.85² =
  38. 38.93² =
  39. 39.43² =
  40. 40.59² =

Answer key

  1. 8649
  2. 6084
  3. 6561
  4. 7225
  5. 5929
  6. 529
  7. 7225
  8. 1936
  9. 841
  10. 3721
  11. 6561
  12. 6724
  13. 8464
  14. 8836
  15. 9216
  16. 9801
  17. 9409
  18. 3136
  19. 8464
  20. 4225
  21. 484
  22. 5041
  23. 5329
  24. 3025
  25. 2116
  26. 7225
  27. 8281
  28. 3844
  29. 3249
  30. 529
  31. 3364
  32. 2209
  33. 5041
  34. 1521
  35. 2401
  36. 1521
  37. 7225
  38. 8649
  39. 1849
  40. 3481

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