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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 134 · 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. 1.51² =
  2. 2.46² =
  3. 3.69² =
  4. 4.44² =
  5. 5.85² =
  6. 6.66² =
  7. 7.79² =
  8. 8.93² =
  9. 9.31² =
  10. 10.36² =
  11. 11.51² =
  12. 12.75² =
  13. 13.18² =
  14. 14.19² =
  15. 15.29² =
  16. 16.65² =
  17. 17.35² =
  18. 18.27² =
  19. 19.16² =
  20. 20.12² =
  21. 21.92² =
  22. 22.44² =
  23. 23.57² =
  24. 24.21² =
  25. 25.98² =
  26. 26.95² =
  27. 27.31² =
  28. 28.64² =
  29. 29.22² =
  30. 30.84² =
  31. 31.61² =
  32. 32.15² =
  33. 33.71² =
  34. 34.77² =
  35. 35.31² =
  36. 36.98² =
  37. 37.45² =
  38. 38.99² =
  39. 39.31² =
  40. 40.51² =

Answer key

  1. 2601
  2. 2116
  3. 4761
  4. 1936
  5. 7225
  6. 4356
  7. 6241
  8. 8649
  9. 961
  10. 1296
  11. 2601
  12. 5625
  13. 324
  14. 361
  15. 841
  16. 4225
  17. 1225
  18. 729
  19. 256
  20. 144
  21. 8464
  22. 1936
  23. 3249
  24. 441
  25. 9604
  26. 9025
  27. 961
  28. 4096
  29. 484
  30. 7056
  31. 3721
  32. 225
  33. 5041
  34. 5929
  35. 961
  36. 9604
  37. 2025
  38. 9801
  39. 961
  40. 2601

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