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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 836 · 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. 1.28² =
  2. 2.12² =
  3. 3.72² =
  4. 4.51² =
  5. 5.57² =
  6. 6.36² =
  7. 7.91² =
  8. 8.13² =
  9. 9.45² =
  10. 10.41² =
  11. 11.34² =
  12. 12.92² =
  13. 13.23² =
  14. 14.56² =
  15. 15.71² =
  16. 16.15² =
  17. 17.53² =
  18. 18.56² =
  19. 19.61² =
  20. 20.72² =
  21. 21.14² =
  22. 22.49² =
  23. 23.14² =
  24. 24.61² =
  25. 25.53² =
  26. 26.38² =
  27. 27.65² =
  28. 28.72² =
  29. 29.37² =
  30. 30.85² =
  31. 31.94² =
  32. 32.27² =
  33. 33.25² =
  34. 34.14² =
  35. 35.12² =
  36. 36.36² =
  37. 37.48² =
  38. 38.72² =
  39. 39.96² =
  40. 40.31² =

Answer key

  1. 784
  2. 144
  3. 5184
  4. 2601
  5. 3249
  6. 1296
  7. 8281
  8. 169
  9. 2025
  10. 1681
  11. 1156
  12. 8464
  13. 529
  14. 3136
  15. 5041
  16. 225
  17. 2809
  18. 3136
  19. 3721
  20. 5184
  21. 196
  22. 2401
  23. 196
  24. 3721
  25. 2809
  26. 1444
  27. 4225
  28. 5184
  29. 1369
  30. 7225
  31. 8836
  32. 729
  33. 625
  34. 196
  35. 144
  36. 1296
  37. 2304
  38. 5184
  39. 9216
  40. 961

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