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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 717 · 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. 1.21² =
  2. 2.75² =
  3. 3.65² =
  4. 4.49² =
  5. 5.52² =
  6. 6.32² =
  7. 7.67² =
  8. 8.46² =
  9. 9.62² =
  10. 10.71² =
  11. 11.25² =
  12. 12.22² =
  13. 13.81² =
  14. 14.74² =
  15. 15.36² =
  16. 16.46² =
  17. 17.42² =
  18. 18.14² =
  19. 19.19² =
  20. 20.88² =
  21. 21.77² =
  22. 22.51² =
  23. 23.34² =
  24. 24.77² =
  25. 25.13² =
  26. 26.42² =
  27. 27.29² =
  28. 28.16² =
  29. 29.36² =
  30. 30.16² =
  31. 31.87² =
  32. 32.77² =
  33. 33.45² =
  34. 34.58² =
  35. 35.58² =
  36. 36.17² =
  37. 37.15² =
  38. 38.42² =
  39. 39.24² =
  40. 40.33² =

Answer key

  1. 441
  2. 5625
  3. 4225
  4. 2401
  5. 2704
  6. 1024
  7. 4489
  8. 2116
  9. 3844
  10. 5041
  11. 625
  12. 484
  13. 6561
  14. 5476
  15. 1296
  16. 2116
  17. 1764
  18. 196
  19. 361
  20. 7744
  21. 5929
  22. 2601
  23. 1156
  24. 5929
  25. 169
  26. 1764
  27. 841
  28. 256
  29. 1296
  30. 256
  31. 7569
  32. 5929
  33. 2025
  34. 3364
  35. 3364
  36. 289
  37. 225
  38. 1764
  39. 576
  40. 1089

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