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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 313 · 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. 1.88² =
  2. 2.28² =
  3. 3.27² =
  4. 4.41² =
  5. 5.24² =
  6. 6.55² =
  7. 7.15² =
  8. 8.71² =
  9. 9.41² =
  10. 10.38² =
  11. 11.57² =
  12. 12.31² =
  13. 13.64² =
  14. 14.31² =
  15. 15.95² =
  16. 16.92² =
  17. 17.87² =
  18. 18.94² =
  19. 19.28² =
  20. 20.43² =
  21. 21.27² =
  22. 22.92² =
  23. 23.68² =
  24. 24.57² =
  25. 25.84² =
  26. 26.52² =
  27. 27.38² =
  28. 28.64² =
  29. 29.55² =
  30. 30.23² =
  31. 31.95² =
  32. 32.77² =
  33. 33.77² =
  34. 34.91² =
  35. 35.17² =
  36. 36.89² =
  37. 37.59² =
  38. 38.51² =
  39. 39.62² =
  40. 40.72² =

Answer key

  1. 7744
  2. 784
  3. 729
  4. 1681
  5. 576
  6. 3025
  7. 225
  8. 5041
  9. 1681
  10. 1444
  11. 3249
  12. 961
  13. 4096
  14. 961
  15. 9025
  16. 8464
  17. 7569
  18. 8836
  19. 784
  20. 1849
  21. 729
  22. 8464
  23. 4624
  24. 3249
  25. 7056
  26. 2704
  27. 1444
  28. 4096
  29. 3025
  30. 529
  31. 9025
  32. 5929
  33. 5929
  34. 8281
  35. 289
  36. 7921
  37. 3481
  38. 2601
  39. 3844
  40. 5184

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