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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 439 · 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. 1.79² =
  2. 2.84² =
  3. 3.16² =
  4. 4.34² =
  5. 5.21² =
  6. 6.64² =
  7. 7.55² =
  8. 8.31² =
  9. 9.95² =
  10. 10.53² =
  11. 11.28² =
  12. 12.71² =
  13. 13.24² =
  14. 14.94² =
  15. 15.74² =
  16. 16.44² =
  17. 17.71² =
  18. 18.15² =
  19. 19.14² =
  20. 20.51² =
  21. 21.63² =
  22. 22.28² =
  23. 23.61² =
  24. 24.46² =
  25. 25.21² =
  26. 26.16² =
  27. 27.76² =
  28. 28.89² =
  29. 29.25² =
  30. 30.25² =
  31. 31.28² =
  32. 32.51² =
  33. 33.32² =
  34. 34.54² =
  35. 35.63² =
  36. 36.76² =
  37. 37.92² =
  38. 38.64² =
  39. 39.66² =
  40. 40.22² =

Answer key

  1. 6241
  2. 7056
  3. 256
  4. 1156
  5. 441
  6. 4096
  7. 3025
  8. 961
  9. 9025
  10. 2809
  11. 784
  12. 5041
  13. 576
  14. 8836
  15. 5476
  16. 1936
  17. 5041
  18. 225
  19. 196
  20. 2601
  21. 3969
  22. 784
  23. 3721
  24. 2116
  25. 441
  26. 256
  27. 5776
  28. 7921
  29. 625
  30. 625
  31. 784
  32. 2601
  33. 1024
  34. 2916
  35. 3969
  36. 5776
  37. 8464
  38. 4096
  39. 4356
  40. 484

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