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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 726 · 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. 1.91² =
  2. 2.82² =
  3. 3.41² =
  4. 4.34² =
  5. 5.33² =
  6. 6.71² =
  7. 7.21² =
  8. 8.68² =
  9. 9.76² =
  10. 10.45² =
  11. 11.91² =
  12. 12.61² =
  13. 13.68² =
  14. 14.94² =
  15. 15.94² =
  16. 16.14² =
  17. 17.99² =
  18. 18.43² =
  19. 19.21² =
  20. 20.14² =
  21. 21.68² =
  22. 22.65² =
  23. 23.84² =
  24. 24.61² =
  25. 25.97² =
  26. 26.46² =
  27. 27.71² =
  28. 28.91² =
  29. 29.29² =
  30. 30.62² =
  31. 31.51² =
  32. 32.68² =
  33. 33.31² =
  34. 34.84² =
  35. 35.77² =
  36. 36.26² =
  37. 37.63² =
  38. 38.93² =
  39. 39.57² =
  40. 40.58² =

Answer key

  1. 8281
  2. 6724
  3. 1681
  4. 1156
  5. 1089
  6. 5041
  7. 441
  8. 4624
  9. 5776
  10. 2025
  11. 8281
  12. 3721
  13. 4624
  14. 8836
  15. 8836
  16. 196
  17. 9801
  18. 1849
  19. 441
  20. 196
  21. 4624
  22. 4225
  23. 7056
  24. 3721
  25. 9409
  26. 2116
  27. 5041
  28. 8281
  29. 841
  30. 3844
  31. 2601
  32. 4624
  33. 961
  34. 7056
  35. 5929
  36. 676
  37. 3969
  38. 8649
  39. 3249
  40. 3364

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