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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 389 · 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. 1.12² =
  2. 2.81² =
  3. 3.21² =
  4. 4.55² =
  5. 5.83² =
  6. 6.34² =
  7. 7.96² =
  8. 8.93² =
  9. 9.65² =
  10. 10.59² =
  11. 11.31² =
  12. 12.29² =
  13. 13.51² =
  14. 14.65² =
  15. 15.32² =
  16. 16.44² =
  17. 17.82² =
  18. 18.34² =
  19. 19.75² =
  20. 20.72² =
  21. 21.21² =
  22. 22.41² =
  23. 23.23² =
  24. 24.75² =
  25. 25.16² =
  26. 26.31² =
  27. 27.38² =
  28. 28.99² =
  29. 29.54² =
  30. 30.19² =
  31. 31.62² =
  32. 32.65² =
  33. 33.75² =
  34. 34.26² =
  35. 35.71² =
  36. 36.33² =
  37. 37.34² =
  38. 38.29² =
  39. 39.97² =
  40. 40.12² =

Answer key

  1. 144
  2. 6561
  3. 441
  4. 3025
  5. 6889
  6. 1156
  7. 9216
  8. 8649
  9. 4225
  10. 3481
  11. 961
  12. 841
  13. 2601
  14. 4225
  15. 1024
  16. 1936
  17. 6724
  18. 1156
  19. 5625
  20. 5184
  21. 441
  22. 1681
  23. 529
  24. 5625
  25. 256
  26. 961
  27. 1444
  28. 9801
  29. 2916
  30. 361
  31. 3844
  32. 4225
  33. 5625
  34. 676
  35. 5041
  36. 1089
  37. 1156
  38. 841
  39. 9409
  40. 144

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