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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 486 · 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. 1.61² =
  2. 2.47² =
  3. 3.11² =
  4. 4.35² =
  5. 5.13² =
  6. 6.26² =
  7. 7.34² =
  8. 8.76² =
  9. 9.18² =
  10. 10.62² =
  11. 11.44² =
  12. 12.74² =
  13. 13.77² =
  14. 14.91² =
  15. 15.12² =
  16. 16.51² =
  17. 17.31² =
  18. 18.51² =
  19. 19.88² =
  20. 20.69² =
  21. 21.81² =
  22. 22.17² =
  23. 23.85² =
  24. 24.92² =
  25. 25.32² =
  26. 26.18² =
  27. 27.91² =
  28. 28.21² =
  29. 29.95² =
  30. 30.37² =
  31. 31.41² =
  32. 32.63² =
  33. 33.86² =
  34. 34.98² =
  35. 35.64² =
  36. 36.52² =
  37. 37.42² =
  38. 38.16² =
  39. 39.82² =
  40. 40.66² =

Answer key

  1. 3721
  2. 2209
  3. 121
  4. 1225
  5. 169
  6. 676
  7. 1156
  8. 5776
  9. 324
  10. 3844
  11. 1936
  12. 5476
  13. 5929
  14. 8281
  15. 144
  16. 2601
  17. 961
  18. 2601
  19. 7744
  20. 4761
  21. 6561
  22. 289
  23. 7225
  24. 8464
  25. 1024
  26. 324
  27. 8281
  28. 441
  29. 9025
  30. 1369
  31. 1681
  32. 3969
  33. 7396
  34. 9604
  35. 4096
  36. 2704
  37. 1764
  38. 256
  39. 6724
  40. 4356

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