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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 177 · 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. 1.63² =
  2. 2.73² =
  3. 3.32² =
  4. 4.38² =
  5. 5.34² =
  6. 6.71² =
  7. 7.12² =
  8. 8.64² =
  9. 9.86² =
  10. 10.31² =
  11. 11.93² =
  12. 12.17² =
  13. 13.65² =
  14. 14.37² =
  15. 15.95² =
  16. 16.77² =
  17. 17.32² =
  18. 18.68² =
  19. 19.13² =
  20. 20.25² =
  21. 21.43² =
  22. 22.78² =
  23. 23.84² =
  24. 24.27² =
  25. 25.36² =
  26. 26.24² =
  27. 27.24² =
  28. 28.33² =
  29. 29.29² =
  30. 30.31² =
  31. 31.21² =
  32. 32.68² =
  33. 33.74² =
  34. 34.61² =
  35. 35.54² =
  36. 36.47² =
  37. 37.54² =
  38. 38.33² =
  39. 39.33² =
  40. 40.83² =

Answer key

  1. 3969
  2. 5329
  3. 1024
  4. 1444
  5. 1156
  6. 5041
  7. 144
  8. 4096
  9. 7396
  10. 961
  11. 8649
  12. 289
  13. 4225
  14. 1369
  15. 9025
  16. 5929
  17. 1024
  18. 4624
  19. 169
  20. 625
  21. 1849
  22. 6084
  23. 7056
  24. 729
  25. 1296
  26. 576
  27. 576
  28. 1089
  29. 841
  30. 961
  31. 441
  32. 4624
  33. 5476
  34. 3721
  35. 2916
  36. 2209
  37. 2916
  38. 1089
  39. 1089
  40. 6889

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