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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 263 · 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. 1.18² =
  2. 2.71² =
  3. 3.14² =
  4. 4.58² =
  5. 5.15² =
  6. 6.53² =
  7. 7.63² =
  8. 8.79² =
  9. 9.12² =
  10. 10.71² =
  11. 11.57² =
  12. 12.94² =
  13. 13.77² =
  14. 14.86² =
  15. 15.82² =
  16. 16.79² =
  17. 17.33² =
  18. 18.65² =
  19. 19.47² =
  20. 20.57² =
  21. 21.47² =
  22. 22.54² =
  23. 23.37² =
  24. 24.36² =
  25. 25.94² =
  26. 26.77² =
  27. 27.12² =
  28. 28.96² =
  29. 29.81² =
  30. 30.93² =
  31. 31.65² =
  32. 32.51² =
  33. 33.49² =
  34. 34.29² =
  35. 35.16² =
  36. 36.34² =
  37. 37.21² =
  38. 38.51² =
  39. 39.17² =
  40. 40.51² =

Answer key

  1. 324
  2. 5041
  3. 196
  4. 3364
  5. 225
  6. 2809
  7. 3969
  8. 6241
  9. 144
  10. 5041
  11. 3249
  12. 8836
  13. 5929
  14. 7396
  15. 6724
  16. 6241
  17. 1089
  18. 4225
  19. 2209
  20. 3249
  21. 2209
  22. 2916
  23. 1369
  24. 1296
  25. 8836
  26. 5929
  27. 144
  28. 9216
  29. 6561
  30. 8649
  31. 4225
  32. 2601
  33. 2401
  34. 841
  35. 256
  36. 1156
  37. 441
  38. 2601
  39. 289
  40. 2601

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