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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 775 · 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. 1.31² =
  2. 2.88² =
  3. 3.45² =
  4. 4.47² =
  5. 5.13² =
  6. 6.12² =
  7. 7.33² =
  8. 8.39² =
  9. 9.77² =
  10. 10.85² =
  11. 11.62² =
  12. 12.83² =
  13. 13.84² =
  14. 14.46² =
  15. 15.59² =
  16. 16.76² =
  17. 17.88² =
  18. 18.68² =
  19. 19.36² =
  20. 20.95² =
  21. 21.57² =
  22. 22.95² =
  23. 23.64² =
  24. 24.81² =
  25. 25.22² =
  26. 26.62² =
  27. 27.66² =
  28. 28.63² =
  29. 29.78² =
  30. 30.21² =
  31. 31.16² =
  32. 32.14² =
  33. 33.97² =
  34. 34.49² =
  35. 35.48² =
  36. 36.15² =
  37. 37.31² =
  38. 38.42² =
  39. 39.62² =
  40. 40.27² =

Answer key

  1. 961
  2. 7744
  3. 2025
  4. 2209
  5. 169
  6. 144
  7. 1089
  8. 1521
  9. 5929
  10. 7225
  11. 3844
  12. 6889
  13. 7056
  14. 2116
  15. 3481
  16. 5776
  17. 7744
  18. 4624
  19. 1296
  20. 9025
  21. 3249
  22. 9025
  23. 4096
  24. 6561
  25. 484
  26. 3844
  27. 4356
  28. 3969
  29. 6084
  30. 441
  31. 256
  32. 196
  33. 9409
  34. 2401
  35. 2304
  36. 225
  37. 961
  38. 1764
  39. 3844
  40. 729

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