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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 362 · 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. 2.71² =
  3. 3.22² =
  4. 4.33² =
  5. 5.94² =
  6. 6.85² =
  7. 7.41² =
  8. 8.71² =
  9. 9.61² =
  10. 10.65² =
  11. 11.93² =
  12. 12.41² =
  13. 13.22² =
  14. 14.15² =
  15. 15.62² =
  16. 16.34² =
  17. 17.57² =
  18. 18.44² =
  19. 19.23² =
  20. 20.29² =
  21. 21.86² =
  22. 22.31² =
  23. 23.27² =
  24. 24.71² =
  25. 25.79² =
  26. 26.43² =
  27. 27.91² =
  28. 28.23² =
  29. 29.89² =
  30. 30.59² =
  31. 31.16² =
  32. 32.98² =
  33. 33.21² =
  34. 34.18² =
  35. 35.79² =
  36. 36.56² =
  37. 37.39² =
  38. 38.64² =
  39. 39.11² =
  40. 40.97² =

Answer key

  1. 7225
  2. 5041
  3. 484
  4. 1089
  5. 8836
  6. 7225
  7. 1681
  8. 5041
  9. 3721
  10. 4225
  11. 8649
  12. 1681
  13. 484
  14. 225
  15. 3844
  16. 1156
  17. 3249
  18. 1936
  19. 529
  20. 841
  21. 7396
  22. 961
  23. 729
  24. 5041
  25. 6241
  26. 1849
  27. 8281
  28. 529
  29. 7921
  30. 3481
  31. 256
  32. 9604
  33. 441
  34. 324
  35. 6241
  36. 3136
  37. 1521
  38. 4096
  39. 121
  40. 9409

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