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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 852 · 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. 1.21² =
  2. 2.87² =
  3. 3.86² =
  4. 4.96² =
  5. 5.89² =
  6. 6.89² =
  7. 7.24² =
  8. 8.38² =
  9. 9.54² =
  10. 10.71² =
  11. 11.31² =
  12. 12.62² =
  13. 13.94² =
  14. 14.41² =
  15. 15.58² =
  16. 16.65² =
  17. 17.75² =
  18. 18.75² =
  19. 19.92² =
  20. 20.48² =
  21. 21.31² =
  22. 22.65² =
  23. 23.85² =
  24. 24.22² =
  25. 25.93² =
  26. 26.51² =
  27. 27.68² =
  28. 28.91² =
  29. 29.97² =
  30. 30.18² =
  31. 31.41² =
  32. 32.28² =
  33. 33.91² =
  34. 34.91² =
  35. 35.78² =
  36. 36.27² =
  37. 37.32² =
  38. 38.81² =
  39. 39.31² =
  40. 40.74² =

Answer key

  1. 441
  2. 7569
  3. 7396
  4. 9216
  5. 7921
  6. 7921
  7. 576
  8. 1444
  9. 2916
  10. 5041
  11. 961
  12. 3844
  13. 8836
  14. 1681
  15. 3364
  16. 4225
  17. 5625
  18. 5625
  19. 8464
  20. 2304
  21. 961
  22. 4225
  23. 7225
  24. 484
  25. 8649
  26. 2601
  27. 4624
  28. 8281
  29. 9409
  30. 324
  31. 1681
  32. 784
  33. 8281
  34. 8281
  35. 6084
  36. 729
  37. 1024
  38. 6561
  39. 961
  40. 5476

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