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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 297 · 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. 1.78² =
  2. 2.31² =
  3. 3.51² =
  4. 4.13² =
  5. 5.99² =
  6. 6.47² =
  7. 7.97² =
  8. 8.22² =
  9. 9.32² =
  10. 10.37² =
  11. 11.31² =
  12. 12.19² =
  13. 13.99² =
  14. 14.31² =
  15. 15.56² =
  16. 16.96² =
  17. 17.82² =
  18. 18.49² =
  19. 19.82² =
  20. 20.36² =
  21. 21.65² =
  22. 22.71² =
  23. 23.62² =
  24. 24.31² =
  25. 25.64² =
  26. 26.15² =
  27. 27.69² =
  28. 28.31² =
  29. 29.26² =
  30. 30.52² =
  31. 31.31² =
  32. 32.21² =
  33. 33.46² =
  34. 34.82² =
  35. 35.33² =
  36. 36.31² =
  37. 37.42² =
  38. 38.25² =
  39. 39.83² =
  40. 40.65² =

Answer key

  1. 6084
  2. 961
  3. 2601
  4. 169
  5. 9801
  6. 2209
  7. 9409
  8. 484
  9. 1024
  10. 1369
  11. 961
  12. 361
  13. 9801
  14. 961
  15. 3136
  16. 9216
  17. 6724
  18. 2401
  19. 6724
  20. 1296
  21. 4225
  22. 5041
  23. 3844
  24. 961
  25. 4096
  26. 225
  27. 4761
  28. 961
  29. 676
  30. 2704
  31. 961
  32. 441
  33. 2116
  34. 6724
  35. 1089
  36. 961
  37. 1764
  38. 625
  39. 6889
  40. 4225

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