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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 321 · 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. 1.87² =
  2. 2.85² =
  3. 3.53² =
  4. 4.16² =
  5. 5.54² =
  6. 6.91² =
  7. 7.61² =
  8. 8.31² =
  9. 9.53² =
  10. 10.23² =
  11. 11.55² =
  12. 12.96² =
  13. 13.58² =
  14. 14.21² =
  15. 15.51² =
  16. 16.13² =
  17. 17.35² =
  18. 18.48² =
  19. 19.69² =
  20. 20.94² =
  21. 21.91² =
  22. 22.38² =
  23. 23.27² =
  24. 24.81² =
  25. 25.28² =
  26. 26.25² =
  27. 27.81² =
  28. 28.18² =
  29. 29.44² =
  30. 30.59² =
  31. 31.81² =
  32. 32.71² =
  33. 33.79² =
  34. 34.74² =
  35. 35.47² =
  36. 36.42² =
  37. 37.22² =
  38. 38.22² =
  39. 39.22² =
  40. 40.76² =

Answer key

  1. 7569
  2. 7225
  3. 2809
  4. 256
  5. 2916
  6. 8281
  7. 3721
  8. 961
  9. 2809
  10. 529
  11. 3025
  12. 9216
  13. 3364
  14. 441
  15. 2601
  16. 169
  17. 1225
  18. 2304
  19. 4761
  20. 8836
  21. 8281
  22. 1444
  23. 729
  24. 6561
  25. 784
  26. 625
  27. 6561
  28. 324
  29. 1936
  30. 3481
  31. 6561
  32. 5041
  33. 6241
  34. 5476
  35. 2209
  36. 1764
  37. 484
  38. 484
  39. 484
  40. 5776

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