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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 283 · 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. 1.94² =
  2. 2.51² =
  3. 3.92² =
  4. 4.47² =
  5. 5.16² =
  6. 6.85² =
  7. 7.95² =
  8. 8.41² =
  9. 9.26² =
  10. 10.45² =
  11. 11.81² =
  12. 12.34² =
  13. 13.74² =
  14. 14.33² =
  15. 15.21² =
  16. 16.29² =
  17. 17.43² =
  18. 18.31² =
  19. 19.93² =
  20. 20.31² =
  21. 21.21² =
  22. 22.21² =
  23. 23.44² =
  24. 24.41² =
  25. 25.87² =
  26. 26.46² =
  27. 27.27² =
  28. 28.15² =
  29. 29.76² =
  30. 30.92² =
  31. 31.73² =
  32. 32.61² =
  33. 33.29² =
  34. 34.14² =
  35. 35.43² =
  36. 36.16² =
  37. 37.94² =
  38. 38.64² =
  39. 39.67² =
  40. 40.75² =

Answer key

  1. 8836
  2. 2601
  3. 8464
  4. 2209
  5. 256
  6. 7225
  7. 9025
  8. 1681
  9. 676
  10. 2025
  11. 6561
  12. 1156
  13. 5476
  14. 1089
  15. 441
  16. 841
  17. 1849
  18. 961
  19. 8649
  20. 961
  21. 441
  22. 441
  23. 1936
  24. 1681
  25. 7569
  26. 2116
  27. 729
  28. 225
  29. 5776
  30. 8464
  31. 5329
  32. 3721
  33. 841
  34. 196
  35. 1849
  36. 256
  37. 8836
  38. 4096
  39. 4489
  40. 5625

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