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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 305 · 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. 1.83² =
  2. 2.73² =
  3. 3.42² =
  4. 4.59² =
  5. 5.29² =
  6. 6.35² =
  7. 7.14² =
  8. 8.98² =
  9. 9.61² =
  10. 10.57² =
  11. 11.59² =
  12. 12.72² =
  13. 13.39² =
  14. 14.78² =
  15. 15.93² =
  16. 16.61² =
  17. 17.56² =
  18. 18.82² =
  19. 19.53² =
  20. 20.19² =
  21. 21.11² =
  22. 22.88² =
  23. 23.21² =
  24. 24.31² =
  25. 25.96² =
  26. 26.37² =
  27. 27.79² =
  28. 28.13² =
  29. 29.79² =
  30. 30.81² =
  31. 31.54² =
  32. 32.64² =
  33. 33.37² =
  34. 34.62² =
  35. 35.77² =
  36. 36.21² =
  37. 37.59² =
  38. 38.49² =
  39. 39.31² =
  40. 40.16² =

Answer key

  1. 6889
  2. 5329
  3. 1764
  4. 3481
  5. 841
  6. 1225
  7. 196
  8. 9604
  9. 3721
  10. 3249
  11. 3481
  12. 5184
  13. 1521
  14. 6084
  15. 8649
  16. 3721
  17. 3136
  18. 6724
  19. 2809
  20. 361
  21. 121
  22. 7744
  23. 441
  24. 961
  25. 9216
  26. 1369
  27. 6241
  28. 169
  29. 6241
  30. 6561
  31. 2916
  32. 4096
  33. 1369
  34. 3844
  35. 5929
  36. 441
  37. 3481
  38. 2401
  39. 961
  40. 256

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