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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 888 · 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. 1.94² =
  2. 2.39² =
  3. 3.31² =
  4. 4.26² =
  5. 5.13² =
  6. 6.85² =
  7. 7.53² =
  8. 8.49² =
  9. 9.75² =
  10. 10.48² =
  11. 11.33² =
  12. 12.19² =
  13. 13.54² =
  14. 14.77² =
  15. 15.86² =
  16. 16.48² =
  17. 17.89² =
  18. 18.73² =
  19. 19.18² =
  20. 20.29² =
  21. 21.41² =
  22. 22.77² =
  23. 23.71² =
  24. 24.61² =
  25. 25.74² =
  26. 26.75² =
  27. 27.58² =
  28. 28.13² =
  29. 29.81² =
  30. 30.77² =
  31. 31.95² =
  32. 32.32² =
  33. 33.54² =
  34. 34.86² =
  35. 35.29² =
  36. 36.43² =
  37. 37.11² =
  38. 38.56² =
  39. 39.86² =
  40. 40.42² =

Answer key

  1. 8836
  2. 1521
  3. 961
  4. 676
  5. 169
  6. 7225
  7. 2809
  8. 2401
  9. 5625
  10. 2304
  11. 1089
  12. 361
  13. 2916
  14. 5929
  15. 7396
  16. 2304
  17. 7921
  18. 5329
  19. 324
  20. 841
  21. 1681
  22. 5929
  23. 5041
  24. 3721
  25. 5476
  26. 5625
  27. 3364
  28. 169
  29. 6561
  30. 5929
  31. 9025
  32. 1024
  33. 2916
  34. 7396
  35. 841
  36. 1849
  37. 121
  38. 3136
  39. 7396
  40. 1764

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