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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 179 · 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. 1.89² =
  2. 2.58² =
  3. 3.45² =
  4. 4.96² =
  5. 5.54² =
  6. 6.22² =
  7. 7.65² =
  8. 8.11² =
  9. 9.44² =
  10. 10.32² =
  11. 11.95² =
  12. 12.36² =
  13. 13.65² =
  14. 14.19² =
  15. 15.81² =
  16. 16.11² =
  17. 17.66² =
  18. 18.54² =
  19. 19.43² =
  20. 20.35² =
  21. 21.55² =
  22. 22.43² =
  23. 23.86² =
  24. 24.48² =
  25. 25.59² =
  26. 26.93² =
  27. 27.51² =
  28. 28.33² =
  29. 29.71² =
  30. 30.76² =
  31. 31.88² =
  32. 32.43² =
  33. 33.27² =
  34. 34.97² =
  35. 35.66² =
  36. 36.51² =
  37. 37.41² =
  38. 38.45² =
  39. 39.34² =
  40. 40.57² =

Answer key

  1. 7921
  2. 3364
  3. 2025
  4. 9216
  5. 2916
  6. 484
  7. 4225
  8. 121
  9. 1936
  10. 1024
  11. 9025
  12. 1296
  13. 4225
  14. 361
  15. 6561
  16. 121
  17. 4356
  18. 2916
  19. 1849
  20. 1225
  21. 3025
  22. 1849
  23. 7396
  24. 2304
  25. 3481
  26. 8649
  27. 2601
  28. 1089
  29. 5041
  30. 5776
  31. 7744
  32. 1849
  33. 729
  34. 9409
  35. 4356
  36. 2601
  37. 1681
  38. 2025
  39. 1156
  40. 3249

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