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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 405 · 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. 1.21² =
  2. 2.55² =
  3. 3.63² =
  4. 4.55² =
  5. 5.13² =
  6. 6.59² =
  7. 7.14² =
  8. 8.33² =
  9. 9.64² =
  10. 10.99² =
  11. 11.55² =
  12. 12.35² =
  13. 13.96² =
  14. 14.27² =
  15. 15.46² =
  16. 16.95² =
  17. 17.19² =
  18. 18.84² =
  19. 19.91² =
  20. 20.13² =
  21. 21.61² =
  22. 22.29² =
  23. 23.51² =
  24. 24.32² =
  25. 25.87² =
  26. 26.77² =
  27. 27.85² =
  28. 28.16² =
  29. 29.73² =
  30. 30.29² =
  31. 31.22² =
  32. 32.59² =
  33. 33.75² =
  34. 34.86² =
  35. 35.95² =
  36. 36.55² =
  37. 37.81² =
  38. 38.31² =
  39. 39.71² =
  40. 40.61² =

Answer key

  1. 441
  2. 3025
  3. 3969
  4. 3025
  5. 169
  6. 3481
  7. 196
  8. 1089
  9. 4096
  10. 9801
  11. 3025
  12. 1225
  13. 9216
  14. 729
  15. 2116
  16. 9025
  17. 361
  18. 7056
  19. 8281
  20. 169
  21. 3721
  22. 841
  23. 2601
  24. 1024
  25. 7569
  26. 5929
  27. 7225
  28. 256
  29. 5329
  30. 841
  31. 484
  32. 3481
  33. 5625
  34. 7396
  35. 9025
  36. 3025
  37. 6561
  38. 961
  39. 5041
  40. 3721

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