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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 418 · 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. 1.99² =
  2. 2.25² =
  3. 3.49² =
  4. 4.57² =
  5. 5.53² =
  6. 6.35² =
  7. 7.43² =
  8. 8.21² =
  9. 9.39² =
  10. 10.61² =
  11. 11.63² =
  12. 12.35² =
  13. 13.84² =
  14. 14.38² =
  15. 15.22² =
  16. 16.23² =
  17. 17.46² =
  18. 18.23² =
  19. 19.11² =
  20. 20.44² =
  21. 21.52² =
  22. 22.71² =
  23. 23.24² =
  24. 24.31² =
  25. 25.66² =
  26. 26.89² =
  27. 27.32² =
  28. 28.79² =
  29. 29.74² =
  30. 30.18² =
  31. 31.11² =
  32. 32.73² =
  33. 33.16² =
  34. 34.88² =
  35. 35.66² =
  36. 36.21² =
  37. 37.29² =
  38. 38.94² =
  39. 39.29² =
  40. 40.24² =

Answer key

  1. 9801
  2. 625
  3. 2401
  4. 3249
  5. 2809
  6. 1225
  7. 1849
  8. 441
  9. 1521
  10. 3721
  11. 3969
  12. 1225
  13. 7056
  14. 1444
  15. 484
  16. 529
  17. 2116
  18. 529
  19. 121
  20. 1936
  21. 2704
  22. 5041
  23. 576
  24. 961
  25. 4356
  26. 7921
  27. 1024
  28. 6241
  29. 5476
  30. 324
  31. 121
  32. 5329
  33. 256
  34. 7744
  35. 4356
  36. 441
  37. 841
  38. 8836
  39. 841
  40. 576

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