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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 74 · 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. 1.22² =
  2. 2.14² =
  3. 3.69² =
  4. 4.74² =
  5. 5.72² =
  6. 6.98² =
  7. 7.85² =
  8. 8.76² =
  9. 9.57² =
  10. 10.22² =
  11. 11.31² =
  12. 12.74² =
  13. 13.71² =
  14. 14.83² =
  15. 15.26² =
  16. 16.12² =
  17. 17.36² =
  18. 18.22² =
  19. 19.48² =
  20. 20.21² =
  21. 21.34² =
  22. 22.58² =
  23. 23.51² =
  24. 24.58² =
  25. 25.73² =
  26. 26.14² =
  27. 27.31² =
  28. 28.35² =
  29. 29.97² =
  30. 30.54² =
  31. 31.23² =
  32. 32.34² =
  33. 33.85² =
  34. 34.21² =
  35. 35.66² =
  36. 36.39² =
  37. 37.44² =
  38. 38.65² =
  39. 39.41² =
  40. 40.51² =

Answer key

  1. 484
  2. 196
  3. 4761
  4. 5476
  5. 5184
  6. 9604
  7. 7225
  8. 5776
  9. 3249
  10. 484
  11. 961
  12. 5476
  13. 5041
  14. 6889
  15. 676
  16. 144
  17. 1296
  18. 484
  19. 2304
  20. 441
  21. 1156
  22. 3364
  23. 2601
  24. 3364
  25. 5329
  26. 196
  27. 961
  28. 1225
  29. 9409
  30. 2916
  31. 529
  32. 1156
  33. 7225
  34. 441
  35. 4356
  36. 1521
  37. 1936
  38. 4225
  39. 1681
  40. 2601

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