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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 917 · 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. 1.34² =
  2. 2.75² =
  3. 3.93² =
  4. 4.47² =
  5. 5.25² =
  6. 6.99² =
  7. 7.46² =
  8. 8.13² =
  9. 9.33² =
  10. 10.71² =
  11. 11.63² =
  12. 12.84² =
  13. 13.49² =
  14. 14.19² =
  15. 15.24² =
  16. 16.71² =
  17. 17.34² =
  18. 18.85² =
  19. 19.22² =
  20. 20.14² =
  21. 21.31² =
  22. 22.41² =
  23. 23.69² =
  24. 24.71² =
  25. 25.74² =
  26. 26.34² =
  27. 27.74² =
  28. 28.61² =
  29. 29.28² =
  30. 30.64² =
  31. 31.31² =
  32. 32.81² =
  33. 33.59² =
  34. 34.25² =
  35. 35.21² =
  36. 36.21² =
  37. 37.31² =
  38. 38.61² =
  39. 39.73² =
  40. 40.45² =

Answer key

  1. 1156
  2. 5625
  3. 8649
  4. 2209
  5. 625
  6. 9801
  7. 2116
  8. 169
  9. 1089
  10. 5041
  11. 3969
  12. 7056
  13. 2401
  14. 361
  15. 576
  16. 5041
  17. 1156
  18. 7225
  19. 484
  20. 196
  21. 961
  22. 1681
  23. 4761
  24. 5041
  25. 5476
  26. 1156
  27. 5476
  28. 3721
  29. 784
  30. 4096
  31. 961
  32. 6561
  33. 3481
  34. 625
  35. 441
  36. 441
  37. 961
  38. 3721
  39. 5329
  40. 2025

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