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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 953 · 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. 1.53² =
  2. 2.21² =
  3. 3.11² =
  4. 4.45² =
  5. 5.18² =
  6. 6.92² =
  7. 7.79² =
  8. 8.61² =
  9. 9.64² =
  10. 10.11² =
  11. 11.54² =
  12. 12.51² =
  13. 13.62² =
  14. 14.73² =
  15. 15.98² =
  16. 16.46² =
  17. 17.97² =
  18. 18.85² =
  19. 19.38² =
  20. 20.54² =
  21. 21.26² =
  22. 22.61² =
  23. 23.95² =
  24. 24.48² =
  25. 25.94² =
  26. 26.95² =
  27. 27.78² =
  28. 28.23² =
  29. 29.61² =
  30. 30.82² =
  31. 31.23² =
  32. 32.34² =
  33. 33.55² =
  34. 34.92² =
  35. 35.21² =
  36. 36.68² =
  37. 37.53² =
  38. 38.75² =
  39. 39.89² =
  40. 40.19² =

Answer key

  1. 2809
  2. 441
  3. 121
  4. 2025
  5. 324
  6. 8464
  7. 6241
  8. 3721
  9. 4096
  10. 121
  11. 2916
  12. 2601
  13. 3844
  14. 5329
  15. 9604
  16. 2116
  17. 9409
  18. 7225
  19. 1444
  20. 2916
  21. 676
  22. 3721
  23. 9025
  24. 2304
  25. 8836
  26. 9025
  27. 6084
  28. 529
  29. 3721
  30. 6724
  31. 529
  32. 1156
  33. 3025
  34. 8464
  35. 441
  36. 4624
  37. 2809
  38. 5625
  39. 7921
  40. 361

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