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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 704 · 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. 1.27² =
  2. 2.12² =
  3. 3.52² =
  4. 4.14² =
  5. 5.35² =
  6. 6.99² =
  7. 7.62² =
  8. 8.75² =
  9. 9.39² =
  10. 10.46² =
  11. 11.19² =
  12. 12.18² =
  13. 13.84² =
  14. 14.62² =
  15. 15.84² =
  16. 16.39² =
  17. 17.57² =
  18. 18.18² =
  19. 19.46² =
  20. 20.85² =
  21. 21.32² =
  22. 22.65² =
  23. 23.21² =
  24. 24.34² =
  25. 25.63² =
  26. 26.97² =
  27. 27.13² =
  28. 28.57² =
  29. 29.58² =
  30. 30.46² =
  31. 31.67² =
  32. 32.29² =
  33. 33.77² =
  34. 34.31² =
  35. 35.69² =
  36. 36.22² =
  37. 37.55² =
  38. 38.51² =
  39. 39.86² =
  40. 40.59² =

Answer key

  1. 729
  2. 144
  3. 2704
  4. 196
  5. 1225
  6. 9801
  7. 3844
  8. 5625
  9. 1521
  10. 2116
  11. 361
  12. 324
  13. 7056
  14. 3844
  15. 7056
  16. 1521
  17. 3249
  18. 324
  19. 2116
  20. 7225
  21. 1024
  22. 4225
  23. 441
  24. 1156
  25. 3969
  26. 9409
  27. 169
  28. 3249
  29. 3364
  30. 2116
  31. 4489
  32. 841
  33. 5929
  34. 961
  35. 4761
  36. 484
  37. 3025
  38. 2601
  39. 7396
  40. 3481

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