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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 19 · 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. 1.55² =
  2. 2.84² =
  3. 3.11² =
  4. 4.21² =
  5. 5.51² =
  6. 6.33² =
  7. 7.34² =
  8. 8.43² =
  9. 9.63² =
  10. 10.21² =
  11. 11.95² =
  12. 12.48² =
  13. 13.79² =
  14. 14.87² =
  15. 15.69² =
  16. 16.22² =
  17. 17.16² =
  18. 18.23² =
  19. 19.28² =
  20. 20.49² =
  21. 21.29² =
  22. 22.71² =
  23. 23.71² =
  24. 24.51² =
  25. 25.85² =
  26. 26.65² =
  27. 27.81² =
  28. 28.57² =
  29. 29.81² =
  30. 30.11² =
  31. 31.72² =
  32. 32.21² =
  33. 33.28² =
  34. 34.33² =
  35. 35.21² =
  36. 36.71² =
  37. 37.78² =
  38. 38.13² =
  39. 39.73² =
  40. 40.31² =

Answer key

  1. 3025
  2. 7056
  3. 121
  4. 441
  5. 2601
  6. 1089
  7. 1156
  8. 1849
  9. 3969
  10. 441
  11. 9025
  12. 2304
  13. 6241
  14. 7569
  15. 4761
  16. 484
  17. 256
  18. 529
  19. 784
  20. 2401
  21. 841
  22. 5041
  23. 5041
  24. 2601
  25. 7225
  26. 4225
  27. 6561
  28. 3249
  29. 6561
  30. 121
  31. 5184
  32. 441
  33. 784
  34. 1089
  35. 441
  36. 5041
  37. 6084
  38. 169
  39. 5329
  40. 961

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