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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 557 · 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. 1.81² =
  2. 2.14² =
  3. 3.61² =
  4. 4.21² =
  5. 5.51² =
  6. 6.73² =
  7. 7.36² =
  8. 8.78² =
  9. 9.41² =
  10. 10.12² =
  11. 11.21² =
  12. 12.91² =
  13. 13.83² =
  14. 14.22² =
  15. 15.83² =
  16. 16.56² =
  17. 17.73² =
  18. 18.27² =
  19. 19.74² =
  20. 20.64² =
  21. 21.12² =
  22. 22.12² =
  23. 23.71² =
  24. 24.21² =
  25. 25.19² =
  26. 26.86² =
  27. 27.31² =
  28. 28.46² =
  29. 29.17² =
  30. 30.88² =
  31. 31.84² =
  32. 32.52² =
  33. 33.12² =
  34. 34.17² =
  35. 35.78² =
  36. 36.87² =
  37. 37.13² =
  38. 38.21² =
  39. 39.98² =
  40. 40.45² =

Answer key

  1. 6561
  2. 196
  3. 3721
  4. 441
  5. 2601
  6. 5329
  7. 1296
  8. 6084
  9. 1681
  10. 144
  11. 441
  12. 8281
  13. 6889
  14. 484
  15. 6889
  16. 3136
  17. 5329
  18. 729
  19. 5476
  20. 4096
  21. 144
  22. 144
  23. 5041
  24. 441
  25. 361
  26. 7396
  27. 961
  28. 2116
  29. 289
  30. 7744
  31. 7056
  32. 2704
  33. 144
  34. 289
  35. 6084
  36. 7569
  37. 169
  38. 441
  39. 9604
  40. 2025

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