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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 485 · 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. 1.47² =
  2. 2.35² =
  3. 3.95² =
  4. 4.19² =
  5. 5.13² =
  6. 6.64² =
  7. 7.21² =
  8. 8.34² =
  9. 9.26² =
  10. 10.21² =
  11. 11.31² =
  12. 12.26² =
  13. 13.32² =
  14. 14.23² =
  15. 15.56² =
  16. 16.51² =
  17. 17.17² =
  18. 18.47² =
  19. 19.26² =
  20. 20.88² =
  21. 21.54² =
  22. 22.89² =
  23. 23.51² =
  24. 24.35² =
  25. 25.38² =
  26. 26.44² =
  27. 27.95² =
  28. 28.18² =
  29. 29.73² =
  30. 30.71² =
  31. 31.61² =
  32. 32.13² =
  33. 33.63² =
  34. 34.61² =
  35. 35.92² =
  36. 36.48² =
  37. 37.65² =
  38. 38.85² =
  39. 39.95² =
  40. 40.89² =

Answer key

  1. 2209
  2. 1225
  3. 9025
  4. 361
  5. 169
  6. 4096
  7. 441
  8. 1156
  9. 676
  10. 441
  11. 961
  12. 676
  13. 1024
  14. 529
  15. 3136
  16. 2601
  17. 289
  18. 2209
  19. 676
  20. 7744
  21. 2916
  22. 7921
  23. 2601
  24. 1225
  25. 1444
  26. 1936
  27. 9025
  28. 324
  29. 5329
  30. 5041
  31. 3721
  32. 169
  33. 3969
  34. 3721
  35. 8464
  36. 2304
  37. 4225
  38. 7225
  39. 9025
  40. 7921

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