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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 181 · 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. 1.58² =
  2. 2.43² =
  3. 3.69² =
  4. 4.94² =
  5. 5.65² =
  6. 6.34² =
  7. 7.28² =
  8. 8.74² =
  9. 9.31² =
  10. 10.39² =
  11. 11.58² =
  12. 12.18² =
  13. 13.31² =
  14. 14.13² =
  15. 15.12² =
  16. 16.73² =
  17. 17.91² =
  18. 18.97² =
  19. 19.21² =
  20. 20.35² =
  21. 21.57² =
  22. 22.59² =
  23. 23.28² =
  24. 24.75² =
  25. 25.36² =
  26. 26.95² =
  27. 27.29² =
  28. 28.71² =
  29. 29.11² =
  30. 30.72² =
  31. 31.68² =
  32. 32.93² =
  33. 33.29² =
  34. 34.87² =
  35. 35.19² =
  36. 36.63² =
  37. 37.66² =
  38. 38.91² =
  39. 39.36² =
  40. 40.18² =

Answer key

  1. 3364
  2. 1849
  3. 4761
  4. 8836
  5. 4225
  6. 1156
  7. 784
  8. 5476
  9. 961
  10. 1521
  11. 3364
  12. 324
  13. 961
  14. 169
  15. 144
  16. 5329
  17. 8281
  18. 9409
  19. 441
  20. 1225
  21. 3249
  22. 3481
  23. 784
  24. 5625
  25. 1296
  26. 9025
  27. 841
  28. 5041
  29. 121
  30. 5184
  31. 4624
  32. 8649
  33. 841
  34. 7569
  35. 361
  36. 3969
  37. 4356
  38. 8281
  39. 1296
  40. 324

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