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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 913 · 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. 1.26² =
  2. 2.68² =
  3. 3.81² =
  4. 4.29² =
  5. 5.16² =
  6. 6.34² =
  7. 7.11² =
  8. 8.18² =
  9. 9.31² =
  10. 10.19² =
  11. 11.65² =
  12. 12.15² =
  13. 13.29² =
  14. 14.86² =
  15. 15.19² =
  16. 16.12² =
  17. 17.61² =
  18. 18.22² =
  19. 19.61² =
  20. 20.16² =
  21. 21.79² =
  22. 22.35² =
  23. 23.32² =
  24. 24.53² =
  25. 25.88² =
  26. 26.48² =
  27. 27.87² =
  28. 28.35² =
  29. 29.82² =
  30. 30.31² =
  31. 31.41² =
  32. 32.39² =
  33. 33.52² =
  34. 34.66² =
  35. 35.23² =
  36. 36.84² =
  37. 37.97² =
  38. 38.23² =
  39. 39.99² =
  40. 40.84² =

Answer key

  1. 676
  2. 4624
  3. 6561
  4. 841
  5. 256
  6. 1156
  7. 121
  8. 324
  9. 961
  10. 361
  11. 4225
  12. 225
  13. 841
  14. 7396
  15. 361
  16. 144
  17. 3721
  18. 484
  19. 3721
  20. 256
  21. 6241
  22. 1225
  23. 1024
  24. 2809
  25. 7744
  26. 2304
  27. 7569
  28. 1225
  29. 6724
  30. 961
  31. 1681
  32. 1521
  33. 2704
  34. 4356
  35. 529
  36. 7056
  37. 9409
  38. 529
  39. 9801
  40. 7056

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