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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 549 · 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. 1.85² =
  2. 2.64² =
  3. 3.12² =
  4. 4.16² =
  5. 5.43² =
  6. 6.71² =
  7. 7.33² =
  8. 8.85² =
  9. 9.51² =
  10. 10.17² =
  11. 11.34² =
  12. 12.48² =
  13. 13.86² =
  14. 14.64² =
  15. 15.35² =
  16. 16.83² =
  17. 17.56² =
  18. 18.18² =
  19. 19.39² =
  20. 20.37² =
  21. 21.29² =
  22. 22.91² =
  23. 23.42² =
  24. 24.18² =
  25. 25.14² =
  26. 26.31² =
  27. 27.22² =
  28. 28.31² =
  29. 29.17² =
  30. 30.56² =
  31. 31.27² =
  32. 32.76² =
  33. 33.49² =
  34. 34.61² =
  35. 35.52² =
  36. 36.36² =
  37. 37.24² =
  38. 38.68² =
  39. 39.75² =
  40. 40.46² =

Answer key

  1. 7225
  2. 4096
  3. 144
  4. 256
  5. 1849
  6. 5041
  7. 1089
  8. 7225
  9. 2601
  10. 289
  11. 1156
  12. 2304
  13. 7396
  14. 4096
  15. 1225
  16. 6889
  17. 3136
  18. 324
  19. 1521
  20. 1369
  21. 841
  22. 8281
  23. 1764
  24. 324
  25. 196
  26. 961
  27. 484
  28. 961
  29. 289
  30. 3136
  31. 729
  32. 5776
  33. 2401
  34. 3721
  35. 2704
  36. 1296
  37. 576
  38. 4624
  39. 5625
  40. 2116

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