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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 864 · 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. 1.82² =
  2. 2.41² =
  3. 3.62² =
  4. 4.31² =
  5. 5.45² =
  6. 6.26² =
  7. 7.74² =
  8. 8.41² =
  9. 9.31² =
  10. 10.23² =
  11. 11.35² =
  12. 12.28² =
  13. 13.32² =
  14. 14.24² =
  15. 15.13² =
  16. 16.71² =
  17. 17.89² =
  18. 18.23² =
  19. 19.67² =
  20. 20.89² =
  21. 21.61² =
  22. 22.35² =
  23. 23.63² =
  24. 24.53² =
  25. 25.98² =
  26. 26.91² =
  27. 27.24² =
  28. 28.15² =
  29. 29.22² =
  30. 30.35² =
  31. 31.46² =
  32. 32.88² =
  33. 33.66² =
  34. 34.12² =
  35. 35.75² =
  36. 36.35² =
  37. 37.75² =
  38. 38.51² =
  39. 39.35² =
  40. 40.43² =

Answer key

  1. 6724
  2. 1681
  3. 3844
  4. 961
  5. 2025
  6. 676
  7. 5476
  8. 1681
  9. 961
  10. 529
  11. 1225
  12. 784
  13. 1024
  14. 576
  15. 169
  16. 5041
  17. 7921
  18. 529
  19. 4489
  20. 7921
  21. 3721
  22. 1225
  23. 3969
  24. 2809
  25. 9604
  26. 8281
  27. 576
  28. 225
  29. 484
  30. 1225
  31. 2116
  32. 7744
  33. 4356
  34. 144
  35. 5625
  36. 1225
  37. 5625
  38. 2601
  39. 1225
  40. 1849

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