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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 596 · 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. 1.81² =
  2. 2.63² =
  3. 3.92² =
  4. 4.31² =
  5. 5.45² =
  6. 6.19² =
  7. 7.27² =
  8. 8.74² =
  9. 9.21² =
  10. 10.18² =
  11. 11.11² =
  12. 12.56² =
  13. 13.75² =
  14. 14.15² =
  15. 15.99² =
  16. 16.43² =
  17. 17.74² =
  18. 18.43² =
  19. 19.71² =
  20. 20.71² =
  21. 21.13² =
  22. 22.81² =
  23. 23.44² =
  24. 24.44² =
  25. 25.33² =
  26. 26.17² =
  27. 27.48² =
  28. 28.63² =
  29. 29.81² =
  30. 30.58² =
  31. 31.55² =
  32. 32.59² =
  33. 33.62² =
  34. 34.54² =
  35. 35.95² =
  36. 36.19² =
  37. 37.88² =
  38. 38.76² =
  39. 39.34² =
  40. 40.43² =

Answer key

  1. 6561
  2. 3969
  3. 8464
  4. 961
  5. 2025
  6. 361
  7. 729
  8. 5476
  9. 441
  10. 324
  11. 121
  12. 3136
  13. 5625
  14. 225
  15. 9801
  16. 1849
  17. 5476
  18. 1849
  19. 5041
  20. 5041
  21. 169
  22. 6561
  23. 1936
  24. 1936
  25. 1089
  26. 289
  27. 2304
  28. 3969
  29. 6561
  30. 3364
  31. 3025
  32. 3481
  33. 3844
  34. 2916
  35. 9025
  36. 361
  37. 7744
  38. 5776
  39. 1156
  40. 1849

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