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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 31 · 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. 1.84² =
  2. 2.61² =
  3. 3.71² =
  4. 4.45² =
  5. 5.41² =
  6. 6.79² =
  7. 7.95² =
  8. 8.32² =
  9. 9.35² =
  10. 10.35² =
  11. 11.21² =
  12. 12.69² =
  13. 13.22² =
  14. 14.27² =
  15. 15.92² =
  16. 16.32² =
  17. 17.69² =
  18. 18.46² =
  19. 19.64² =
  20. 20.61² =
  21. 21.21² =
  22. 22.51² =
  23. 23.46² =
  24. 24.88² =
  25. 25.71² =
  26. 26.25² =
  27. 27.83² =
  28. 28.72² =
  29. 29.91² =
  30. 30.36² =
  31. 31.88² =
  32. 32.19² =
  33. 33.58² =
  34. 34.13² =
  35. 35.81² =
  36. 36.76² =
  37. 37.71² =
  38. 38.73² =
  39. 39.51² =
  40. 40.59² =

Answer key

  1. 7056
  2. 3721
  3. 5041
  4. 2025
  5. 1681
  6. 6241
  7. 9025
  8. 1024
  9. 1225
  10. 1225
  11. 441
  12. 4761
  13. 484
  14. 729
  15. 8464
  16. 1024
  17. 4761
  18. 2116
  19. 4096
  20. 3721
  21. 441
  22. 2601
  23. 2116
  24. 7744
  25. 5041
  26. 625
  27. 6889
  28. 5184
  29. 8281
  30. 1296
  31. 7744
  32. 361
  33. 3364
  34. 169
  35. 6561
  36. 5776
  37. 5041
  38. 5329
  39. 2601
  40. 3481

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