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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 874 · 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. 1.21² =
  2. 2.12² =
  3. 3.22² =
  4. 4.87² =
  5. 5.41² =
  6. 6.41² =
  7. 7.55² =
  8. 8.91² =
  9. 9.51² =
  10. 10.98² =
  11. 11.49² =
  12. 12.95² =
  13. 13.57² =
  14. 14.73² =
  15. 15.72² =
  16. 16.24² =
  17. 17.35² =
  18. 18.29² =
  19. 19.71² =
  20. 20.11² =
  21. 21.89² =
  22. 22.36² =
  23. 23.31² =
  24. 24.31² =
  25. 25.32² =
  26. 26.68² =
  27. 27.24² =
  28. 28.39² =
  29. 29.16² =
  30. 30.88² =
  31. 31.24² =
  32. 32.49² =
  33. 33.17² =
  34. 34.71² =
  35. 35.21² =
  36. 36.22² =
  37. 37.17² =
  38. 38.59² =
  39. 39.71² =
  40. 40.36² =

Answer key

  1. 441
  2. 144
  3. 484
  4. 7569
  5. 1681
  6. 1681
  7. 3025
  8. 8281
  9. 2601
  10. 9604
  11. 2401
  12. 9025
  13. 3249
  14. 5329
  15. 5184
  16. 576
  17. 1225
  18. 841
  19. 5041
  20. 121
  21. 7921
  22. 1296
  23. 961
  24. 961
  25. 1024
  26. 4624
  27. 576
  28. 1521
  29. 256
  30. 7744
  31. 576
  32. 2401
  33. 289
  34. 5041
  35. 441
  36. 484
  37. 289
  38. 3481
  39. 5041
  40. 1296

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