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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 516 · 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. 1.54² =
  2. 2.46² =
  3. 3.48² =
  4. 4.89² =
  5. 5.27² =
  6. 6.91² =
  7. 7.21² =
  8. 8.83² =
  9. 9.58² =
  10. 10.61² =
  11. 11.22² =
  12. 12.59² =
  13. 13.86² =
  14. 14.14² =
  15. 15.18² =
  16. 16.61² =
  17. 17.44² =
  18. 18.32² =
  19. 19.74² =
  20. 20.31² =
  21. 21.35² =
  22. 22.33² =
  23. 23.23² =
  24. 24.85² =
  25. 25.25² =
  26. 26.86² =
  27. 27.67² =
  28. 28.87² =
  29. 29.21² =
  30. 30.28² =
  31. 31.32² =
  32. 32.58² =
  33. 33.31² =
  34. 34.89² =
  35. 35.91² =
  36. 36.59² =
  37. 37.41² =
  38. 38.79² =
  39. 39.61² =
  40. 40.49² =

Answer key

  1. 2916
  2. 2116
  3. 2304
  4. 7921
  5. 729
  6. 8281
  7. 441
  8. 6889
  9. 3364
  10. 3721
  11. 484
  12. 3481
  13. 7396
  14. 196
  15. 324
  16. 3721
  17. 1936
  18. 1024
  19. 5476
  20. 961
  21. 1225
  22. 1089
  23. 529
  24. 7225
  25. 625
  26. 7396
  27. 4489
  28. 7569
  29. 441
  30. 784
  31. 1024
  32. 3364
  33. 961
  34. 7921
  35. 8281
  36. 3481
  37. 1681
  38. 6241
  39. 3721
  40. 2401

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