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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 680 · 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. 1.31² =
  2. 2.96² =
  3. 3.21² =
  4. 4.74² =
  5. 5.44² =
  6. 6.48² =
  7. 7.26² =
  8. 8.88² =
  9. 9.17² =
  10. 10.66² =
  11. 11.38² =
  12. 12.26² =
  13. 13.67² =
  14. 14.16² =
  15. 15.68² =
  16. 16.63² =
  17. 17.34² =
  18. 18.94² =
  19. 19.87² =
  20. 20.67² =
  21. 21.91² =
  22. 22.21² =
  23. 23.21² =
  24. 24.28² =
  25. 25.58² =
  26. 26.22² =
  27. 27.89² =
  28. 28.51² =
  29. 29.62² =
  30. 30.64² =
  31. 31.44² =
  32. 32.26² =
  33. 33.87² =
  34. 34.81² =
  35. 35.49² =
  36. 36.52² =
  37. 37.79² =
  38. 38.89² =
  39. 39.63² =
  40. 40.18² =

Answer key

  1. 961
  2. 9216
  3. 441
  4. 5476
  5. 1936
  6. 2304
  7. 676
  8. 7744
  9. 289
  10. 4356
  11. 1444
  12. 676
  13. 4489
  14. 256
  15. 4624
  16. 3969
  17. 1156
  18. 8836
  19. 7569
  20. 4489
  21. 8281
  22. 441
  23. 441
  24. 784
  25. 3364
  26. 484
  27. 7921
  28. 2601
  29. 3844
  30. 4096
  31. 1936
  32. 676
  33. 7569
  34. 6561
  35. 2401
  36. 2704
  37. 6241
  38. 7921
  39. 3969
  40. 324

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