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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 727 · 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. 2.86² =
  3. 3.83² =
  4. 4.94² =
  5. 5.49² =
  6. 6.14² =
  7. 7.38² =
  8. 8.71² =
  9. 9.65² =
  10. 10.73² =
  11. 11.85² =
  12. 12.61² =
  13. 13.71² =
  14. 14.39² =
  15. 15.34² =
  16. 16.52² =
  17. 17.44² =
  18. 18.52² =
  19. 19.55² =
  20. 20.93² =
  21. 21.96² =
  22. 22.22² =
  23. 23.17² =
  24. 24.93² =
  25. 25.67² =
  26. 26.38² =
  27. 27.66² =
  28. 28.34² =
  29. 29.23² =
  30. 30.96² =
  31. 31.52² =
  32. 32.87² =
  33. 33.31² =
  34. 34.88² =
  35. 35.14² =
  36. 36.28² =
  37. 37.45² =
  38. 38.93² =
  39. 39.49² =
  40. 40.41² =

Answer key

  1. 8649
  2. 7396
  3. 6889
  4. 8836
  5. 2401
  6. 196
  7. 1444
  8. 5041
  9. 4225
  10. 5329
  11. 7225
  12. 3721
  13. 5041
  14. 1521
  15. 1156
  16. 2704
  17. 1936
  18. 2704
  19. 3025
  20. 8649
  21. 9216
  22. 484
  23. 289
  24. 8649
  25. 4489
  26. 1444
  27. 4356
  28. 1156
  29. 529
  30. 9216
  31. 2704
  32. 7569
  33. 961
  34. 7744
  35. 196
  36. 784
  37. 2025
  38. 8649
  39. 2401
  40. 1681

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