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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 12 · 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. 1.51² =
  2. 2.71² =
  3. 3.63² =
  4. 4.44² =
  5. 5.87² =
  6. 6.86² =
  7. 7.69² =
  8. 8.28² =
  9. 9.77² =
  10. 10.27² =
  11. 11.46² =
  12. 12.91² =
  13. 13.47² =
  14. 14.16² =
  15. 15.53² =
  16. 16.19² =
  17. 17.51² =
  18. 18.25² =
  19. 19.31² =
  20. 20.34² =
  21. 21.24² =
  22. 22.62² =
  23. 23.15² =
  24. 24.56² =
  25. 25.35² =
  26. 26.94² =
  27. 27.35² =
  28. 28.62² =
  29. 29.16² =
  30. 30.61² =
  31. 31.43² =
  32. 32.92² =
  33. 33.21² =
  34. 34.72² =
  35. 35.51² =
  36. 36.11² =
  37. 37.13² =
  38. 38.18² =
  39. 39.59² =
  40. 40.48² =

Answer key

  1. 2601
  2. 5041
  3. 3969
  4. 1936
  5. 7569
  6. 7396
  7. 4761
  8. 784
  9. 5929
  10. 729
  11. 2116
  12. 8281
  13. 2209
  14. 256
  15. 2809
  16. 361
  17. 2601
  18. 625
  19. 961
  20. 1156
  21. 576
  22. 3844
  23. 225
  24. 3136
  25. 1225
  26. 8836
  27. 1225
  28. 3844
  29. 256
  30. 3721
  31. 1849
  32. 8464
  33. 441
  34. 5184
  35. 2601
  36. 121
  37. 169
  38. 324
  39. 3481
  40. 2304

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