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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 954 · 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. 1.55² =
  2. 2.73² =
  3. 3.16² =
  4. 4.22² =
  5. 5.79² =
  6. 6.81² =
  7. 7.27² =
  8. 8.51² =
  9. 9.91² =
  10. 10.74² =
  11. 11.13² =
  12. 12.41² =
  13. 13.22² =
  14. 14.25² =
  15. 15.13² =
  16. 16.71² =
  17. 17.16² =
  18. 18.71² =
  19. 19.55² =
  20. 20.44² =
  21. 21.51² =
  22. 22.46² =
  23. 23.64² =
  24. 24.52² =
  25. 25.88² =
  26. 26.82² =
  27. 27.11² =
  28. 28.59² =
  29. 29.15² =
  30. 30.61² =
  31. 31.35² =
  32. 32.77² =
  33. 33.66² =
  34. 34.31² =
  35. 35.99² =
  36. 36.21² =
  37. 37.12² =
  38. 38.32² =
  39. 39.74² =
  40. 40.97² =

Answer key

  1. 3025
  2. 5329
  3. 256
  4. 484
  5. 6241
  6. 6561
  7. 729
  8. 2601
  9. 8281
  10. 5476
  11. 169
  12. 1681
  13. 484
  14. 625
  15. 169
  16. 5041
  17. 256
  18. 5041
  19. 3025
  20. 1936
  21. 2601
  22. 2116
  23. 4096
  24. 2704
  25. 7744
  26. 6724
  27. 121
  28. 3481
  29. 225
  30. 3721
  31. 1225
  32. 5929
  33. 4356
  34. 961
  35. 9801
  36. 441
  37. 144
  38. 1024
  39. 5476
  40. 9409

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