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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 942 · 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. 1.77² =
  2. 2.24² =
  3. 3.32² =
  4. 4.51² =
  5. 5.71² =
  6. 6.11² =
  7. 7.71² =
  8. 8.26² =
  9. 9.91² =
  10. 10.57² =
  11. 11.19² =
  12. 12.44² =
  13. 13.87² =
  14. 14.35² =
  15. 15.61² =
  16. 16.61² =
  17. 17.98² =
  18. 18.65² =
  19. 19.76² =
  20. 20.26² =
  21. 21.55² =
  22. 22.92² =
  23. 23.54² =
  24. 24.67² =
  25. 25.19² =
  26. 26.22² =
  27. 27.39² =
  28. 28.77² =
  29. 29.24² =
  30. 30.12² =
  31. 31.71² =
  32. 32.48² =
  33. 33.58² =
  34. 34.26² =
  35. 35.32² =
  36. 36.11² =
  37. 37.48² =
  38. 38.14² =
  39. 39.78² =
  40. 40.39² =

Answer key

  1. 5929
  2. 576
  3. 1024
  4. 2601
  5. 5041
  6. 121
  7. 5041
  8. 676
  9. 8281
  10. 3249
  11. 361
  12. 1936
  13. 7569
  14. 1225
  15. 3721
  16. 3721
  17. 9604
  18. 4225
  19. 5776
  20. 676
  21. 3025
  22. 8464
  23. 2916
  24. 4489
  25. 361
  26. 484
  27. 1521
  28. 5929
  29. 576
  30. 144
  31. 5041
  32. 2304
  33. 3364
  34. 676
  35. 1024
  36. 121
  37. 2304
  38. 196
  39. 6084
  40. 1521

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