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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 1 · 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. 1.61² =
  2. 2.56² =
  3. 3.76² =
  4. 4.27² =
  5. 5.65² =
  6. 6.78² =
  7. 7.29² =
  8. 8.31² =
  9. 9.21² =
  10. 10.21² =
  11. 11.91² =
  12. 12.83² =
  13. 13.66² =
  14. 14.83² =
  15. 15.54² =
  16. 16.96² =
  17. 17.52² =
  18. 18.61² =
  19. 19.71² =
  20. 20.62² =
  21. 21.27² =
  22. 22.88² =
  23. 23.91² =
  24. 24.58² =
  25. 25.52² =
  26. 26.33² =
  27. 27.61² =
  28. 28.21² =
  29. 29.16² =
  30. 30.81² =
  31. 31.36² =
  32. 32.55² =
  33. 33.23² =
  34. 34.23² =
  35. 35.18² =
  36. 36.91² =
  37. 37.12² =
  38. 38.21² =
  39. 39.51² =
  40. 40.27² =

Answer key

  1. 3721
  2. 3136
  3. 5776
  4. 729
  5. 4225
  6. 6084
  7. 841
  8. 961
  9. 441
  10. 441
  11. 8281
  12. 6889
  13. 4356
  14. 6889
  15. 2916
  16. 9216
  17. 2704
  18. 3721
  19. 5041
  20. 3844
  21. 729
  22. 7744
  23. 8281
  24. 3364
  25. 2704
  26. 1089
  27. 3721
  28. 441
  29. 256
  30. 6561
  31. 1296
  32. 3025
  33. 529
  34. 529
  35. 324
  36. 8281
  37. 144
  38. 441
  39. 2601
  40. 729

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