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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 248 · 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. 1.22² =
  2. 2.83² =
  3. 3.86² =
  4. 4.73² =
  5. 5.28² =
  6. 6.88² =
  7. 7.81² =
  8. 8.41² =
  9. 9.82² =
  10. 10.32² =
  11. 11.28² =
  12. 12.41² =
  13. 13.33² =
  14. 14.58² =
  15. 15.51² =
  16. 16.51² =
  17. 17.39² =
  18. 18.13² =
  19. 19.65² =
  20. 20.22² =
  21. 21.58² =
  22. 22.53² =
  23. 23.91² =
  24. 24.36² =
  25. 25.18² =
  26. 26.17² =
  27. 27.88² =
  28. 28.22² =
  29. 29.76² =
  30. 30.83² =
  31. 31.75² =
  32. 32.91² =
  33. 33.79² =
  34. 34.74² =
  35. 35.28² =
  36. 36.18² =
  37. 37.78² =
  38. 38.73² =
  39. 39.21² =
  40. 40.38² =

Answer key

  1. 484
  2. 6889
  3. 7396
  4. 5329
  5. 784
  6. 7744
  7. 6561
  8. 1681
  9. 6724
  10. 1024
  11. 784
  12. 1681
  13. 1089
  14. 3364
  15. 2601
  16. 2601
  17. 1521
  18. 169
  19. 4225
  20. 484
  21. 3364
  22. 2809
  23. 8281
  24. 1296
  25. 324
  26. 289
  27. 7744
  28. 484
  29. 5776
  30. 6889
  31. 5625
  32. 8281
  33. 6241
  34. 5476
  35. 784
  36. 324
  37. 6084
  38. 5329
  39. 441
  40. 1444

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