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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 511 · 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. 1.86² =
  2. 2.54² =
  3. 3.74² =
  4. 4.26² =
  5. 5.85² =
  6. 6.48² =
  7. 7.89² =
  8. 8.23² =
  9. 9.22² =
  10. 10.59² =
  11. 11.39² =
  12. 12.36² =
  13. 13.75² =
  14. 14.71² =
  15. 15.71² =
  16. 16.51² =
  17. 17.19² =
  18. 18.91² =
  19. 19.61² =
  20. 20.21² =
  21. 21.28² =
  22. 22.31² =
  23. 23.49² =
  24. 24.87² =
  25. 25.41² =
  26. 26.78² =
  27. 27.83² =
  28. 28.27² =
  29. 29.27² =
  30. 30.78² =
  31. 31.47² =
  32. 32.82² =
  33. 33.58² =
  34. 34.31² =
  35. 35.11² =
  36. 36.76² =
  37. 37.71² =
  38. 38.93² =
  39. 39.53² =
  40. 40.87² =

Answer key

  1. 7396
  2. 2916
  3. 5476
  4. 676
  5. 7225
  6. 2304
  7. 7921
  8. 529
  9. 484
  10. 3481
  11. 1521
  12. 1296
  13. 5625
  14. 5041
  15. 5041
  16. 2601
  17. 361
  18. 8281
  19. 3721
  20. 441
  21. 784
  22. 961
  23. 2401
  24. 7569
  25. 1681
  26. 6084
  27. 6889
  28. 729
  29. 729
  30. 6084
  31. 2209
  32. 6724
  33. 3364
  34. 961
  35. 121
  36. 5776
  37. 5041
  38. 8649
  39. 2809
  40. 7569

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