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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 742 · 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. 1.37² =
  2. 2.61² =
  3. 3.34² =
  4. 4.92² =
  5. 5.27² =
  6. 6.22² =
  7. 7.13² =
  8. 8.46² =
  9. 9.31² =
  10. 10.64² =
  11. 11.31² =
  12. 12.76² =
  13. 13.95² =
  14. 14.24² =
  15. 15.84² =
  16. 16.81² =
  17. 17.76² =
  18. 18.52² =
  19. 19.53² =
  20. 20.56² =
  21. 21.21² =
  22. 22.94² =
  23. 23.52² =
  24. 24.98² =
  25. 25.39² =
  26. 26.66² =
  27. 27.17² =
  28. 28.51² =
  29. 29.81² =
  30. 30.33² =
  31. 31.96² =
  32. 32.49² =
  33. 33.28² =
  34. 34.26² =
  35. 35.57² =
  36. 36.45² =
  37. 37.22² =
  38. 38.64² =
  39. 39.71² =
  40. 40.22² =

Answer key

  1. 1369
  2. 3721
  3. 1156
  4. 8464
  5. 729
  6. 484
  7. 169
  8. 2116
  9. 961
  10. 4096
  11. 961
  12. 5776
  13. 9025
  14. 576
  15. 7056
  16. 6561
  17. 5776
  18. 2704
  19. 2809
  20. 3136
  21. 441
  22. 8836
  23. 2704
  24. 9604
  25. 1521
  26. 4356
  27. 289
  28. 2601
  29. 6561
  30. 1089
  31. 9216
  32. 2401
  33. 784
  34. 676
  35. 3249
  36. 2025
  37. 484
  38. 4096
  39. 5041
  40. 484

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