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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 198 · 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. 1.37² =
  2. 2.45² =
  3. 3.31² =
  4. 4.75² =
  5. 5.49² =
  6. 6.29² =
  7. 7.18² =
  8. 8.85² =
  9. 9.33² =
  10. 10.54² =
  11. 11.29² =
  12. 12.17² =
  13. 13.91² =
  14. 14.21² =
  15. 15.91² =
  16. 16.11² =
  17. 17.81² =
  18. 18.54² =
  19. 19.13² =
  20. 20.59² =
  21. 21.25² =
  22. 22.42² =
  23. 23.38² =
  24. 24.71² =
  25. 25.34² =
  26. 26.62² =
  27. 27.51² =
  28. 28.31² =
  29. 29.53² =
  30. 30.14² =
  31. 31.18² =
  32. 32.84² =
  33. 33.61² =
  34. 34.56² =
  35. 35.25² =
  36. 36.12² =
  37. 37.31² =
  38. 38.87² =
  39. 39.56² =
  40. 40.25² =

Answer key

  1. 1369
  2. 2025
  3. 961
  4. 5625
  5. 2401
  6. 841
  7. 324
  8. 7225
  9. 1089
  10. 2916
  11. 841
  12. 289
  13. 8281
  14. 441
  15. 8281
  16. 121
  17. 6561
  18. 2916
  19. 169
  20. 3481
  21. 625
  22. 1764
  23. 1444
  24. 5041
  25. 1156
  26. 3844
  27. 2601
  28. 961
  29. 2809
  30. 196
  31. 324
  32. 7056
  33. 3721
  34. 3136
  35. 625
  36. 144
  37. 961
  38. 7569
  39. 3136
  40. 625

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