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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 349 · 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. 1.35² =
  2. 2.29² =
  3. 3.54² =
  4. 4.76² =
  5. 5.89² =
  6. 6.49² =
  7. 7.38² =
  8. 8.12² =
  9. 9.66² =
  10. 10.15² =
  11. 11.32² =
  12. 12.17² =
  13. 13.71² =
  14. 14.47² =
  15. 15.61² =
  16. 16.81² =
  17. 17.42² =
  18. 18.68² =
  19. 19.57² =
  20. 20.16² =
  21. 21.54² =
  22. 22.51² =
  23. 23.37² =
  24. 24.26² =
  25. 25.83² =
  26. 26.42² =
  27. 27.83² =
  28. 28.94² =
  29. 29.41² =
  30. 30.89² =
  31. 31.34² =
  32. 32.99² =
  33. 33.61² =
  34. 34.29² =
  35. 35.56² =
  36. 36.19² =
  37. 37.52² =
  38. 38.91² =
  39. 39.24² =
  40. 40.15² =

Answer key

  1. 1225
  2. 841
  3. 2916
  4. 5776
  5. 7921
  6. 2401
  7. 1444
  8. 144
  9. 4356
  10. 225
  11. 1024
  12. 289
  13. 5041
  14. 2209
  15. 3721
  16. 6561
  17. 1764
  18. 4624
  19. 3249
  20. 256
  21. 2916
  22. 2601
  23. 1369
  24. 676
  25. 6889
  26. 1764
  27. 6889
  28. 8836
  29. 1681
  30. 7921
  31. 1156
  32. 9801
  33. 3721
  34. 841
  35. 3136
  36. 361
  37. 2704
  38. 8281
  39. 576
  40. 225

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