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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 215 · 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. 1.25² =
  2. 2.26² =
  3. 3.59² =
  4. 4.82² =
  5. 5.11² =
  6. 6.41² =
  7. 7.51² =
  8. 8.69² =
  9. 9.89² =
  10. 10.95² =
  11. 11.33² =
  12. 12.79² =
  13. 13.32² =
  14. 14.65² =
  15. 15.15² =
  16. 16.62² =
  17. 17.71² =
  18. 18.25² =
  19. 19.21² =
  20. 20.95² =
  21. 21.52² =
  22. 22.73² =
  23. 23.52² =
  24. 24.21² =
  25. 25.78² =
  26. 26.78² =
  27. 27.61² =
  28. 28.29² =
  29. 29.25² =
  30. 30.87² =
  31. 31.75² =
  32. 32.12² =
  33. 33.51² =
  34. 34.53² =
  35. 35.97² =
  36. 36.31² =
  37. 37.24² =
  38. 38.55² =
  39. 39.87² =
  40. 40.24² =

Answer key

  1. 625
  2. 676
  3. 3481
  4. 6724
  5. 121
  6. 1681
  7. 2601
  8. 4761
  9. 7921
  10. 9025
  11. 1089
  12. 6241
  13. 1024
  14. 4225
  15. 225
  16. 3844
  17. 5041
  18. 625
  19. 441
  20. 9025
  21. 2704
  22. 5329
  23. 2704
  24. 441
  25. 6084
  26. 6084
  27. 3721
  28. 841
  29. 625
  30. 7569
  31. 5625
  32. 144
  33. 2601
  34. 2809
  35. 9409
  36. 961
  37. 576
  38. 3025
  39. 7569
  40. 576

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