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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 320 · 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. 2.51² =
  3. 3.82² =
  4. 4.96² =
  5. 5.83² =
  6. 6.89² =
  7. 7.26² =
  8. 8.28² =
  9. 9.83² =
  10. 10.51² =
  11. 11.61² =
  12. 12.76² =
  13. 13.68² =
  14. 14.95² =
  15. 15.89² =
  16. 16.83² =
  17. 17.58² =
  18. 18.81² =
  19. 19.41² =
  20. 20.42² =
  21. 21.24² =
  22. 22.47² =
  23. 23.27² =
  24. 24.31² =
  25. 25.69² =
  26. 26.71² =
  27. 27.17² =
  28. 28.77² =
  29. 29.92² =
  30. 30.61² =
  31. 31.65² =
  32. 32.74² =
  33. 33.59² =
  34. 34.91² =
  35. 35.79² =
  36. 36.26² =
  37. 37.22² =
  38. 38.82² =
  39. 39.51² =
  40. 40.11² =

Answer key

  1. 3721
  2. 2601
  3. 6724
  4. 9216
  5. 6889
  6. 7921
  7. 676
  8. 784
  9. 6889
  10. 2601
  11. 3721
  12. 5776
  13. 4624
  14. 9025
  15. 7921
  16. 6889
  17. 3364
  18. 6561
  19. 1681
  20. 1764
  21. 576
  22. 2209
  23. 729
  24. 961
  25. 4761
  26. 5041
  27. 289
  28. 5929
  29. 8464
  30. 3721
  31. 4225
  32. 5476
  33. 3481
  34. 8281
  35. 6241
  36. 676
  37. 484
  38. 6724
  39. 2601
  40. 121

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