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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 166 · 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. 1.66² =
  2. 2.67² =
  3. 3.43² =
  4. 4.26² =
  5. 5.19² =
  6. 6.68² =
  7. 7.35² =
  8. 8.73² =
  9. 9.96² =
  10. 10.23² =
  11. 11.56² =
  12. 12.13² =
  13. 13.33² =
  14. 14.68² =
  15. 15.58² =
  16. 16.69² =
  17. 17.94² =
  18. 18.12² =
  19. 19.46² =
  20. 20.52² =
  21. 21.59² =
  22. 22.52² =
  23. 23.65² =
  24. 24.42² =
  25. 25.55² =
  26. 26.93² =
  27. 27.61² =
  28. 28.36² =
  29. 29.71² =
  30. 30.89² =
  31. 31.46² =
  32. 32.62² =
  33. 33.75² =
  34. 34.22² =
  35. 35.91² =
  36. 36.77² =
  37. 37.78² =
  38. 38.25² =
  39. 39.24² =
  40. 40.26² =

Answer key

  1. 4356
  2. 4489
  3. 1849
  4. 676
  5. 361
  6. 4624
  7. 1225
  8. 5329
  9. 9216
  10. 529
  11. 3136
  12. 169
  13. 1089
  14. 4624
  15. 3364
  16. 4761
  17. 8836
  18. 144
  19. 2116
  20. 2704
  21. 3481
  22. 2704
  23. 4225
  24. 1764
  25. 3025
  26. 8649
  27. 3721
  28. 1296
  29. 5041
  30. 7921
  31. 2116
  32. 3844
  33. 5625
  34. 484
  35. 8281
  36. 5929
  37. 6084
  38. 625
  39. 576
  40. 676

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