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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 623 · 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. 1.71² =
  2. 2.47² =
  3. 3.74² =
  4. 4.48² =
  5. 5.97² =
  6. 6.72² =
  7. 7.58² =
  8. 8.87² =
  9. 9.71² =
  10. 10.39² =
  11. 11.92² =
  12. 12.87² =
  13. 13.43² =
  14. 14.34² =
  15. 15.73² =
  16. 16.39² =
  17. 17.52² =
  18. 18.71² =
  19. 19.71² =
  20. 20.15² =
  21. 21.23² =
  22. 22.91² =
  23. 23.56² =
  24. 24.75² =
  25. 25.76² =
  26. 26.35² =
  27. 27.47² =
  28. 28.94² =
  29. 29.61² =
  30. 30.58² =
  31. 31.91² =
  32. 32.22² =
  33. 33.98² =
  34. 34.68² =
  35. 35.73² =
  36. 36.46² =
  37. 37.51² =
  38. 38.61² =
  39. 39.88² =
  40. 40.91² =

Answer key

  1. 5041
  2. 2209
  3. 5476
  4. 2304
  5. 9409
  6. 5184
  7. 3364
  8. 7569
  9. 5041
  10. 1521
  11. 8464
  12. 7569
  13. 1849
  14. 1156
  15. 5329
  16. 1521
  17. 2704
  18. 5041
  19. 5041
  20. 225
  21. 529
  22. 8281
  23. 3136
  24. 5625
  25. 5776
  26. 1225
  27. 2209
  28. 8836
  29. 3721
  30. 3364
  31. 8281
  32. 484
  33. 9604
  34. 4624
  35. 5329
  36. 2116
  37. 2601
  38. 3721
  39. 7744
  40. 8281

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