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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 276 · 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. 1.11² =
  2. 2.23² =
  3. 3.83² =
  4. 4.35² =
  5. 5.88² =
  6. 6.34² =
  7. 7.21² =
  8. 8.91² =
  9. 9.71² =
  10. 10.56² =
  11. 11.46² =
  12. 12.39² =
  13. 13.91² =
  14. 14.75² =
  15. 15.99² =
  16. 16.66² =
  17. 17.77² =
  18. 18.43² =
  19. 19.41² =
  20. 20.21² =
  21. 21.21² =
  22. 22.82² =
  23. 23.68² =
  24. 24.54² =
  25. 25.14² =
  26. 26.68² =
  27. 27.21² =
  28. 28.82² =
  29. 29.34² =
  30. 30.16² =
  31. 31.32² =
  32. 32.55² =
  33. 33.95² =
  34. 34.47² =
  35. 35.27² =
  36. 36.81² =
  37. 37.87² =
  38. 38.24² =
  39. 39.87² =
  40. 40.58² =

Answer key

  1. 121
  2. 529
  3. 6889
  4. 1225
  5. 7744
  6. 1156
  7. 441
  8. 8281
  9. 5041
  10. 3136
  11. 2116
  12. 1521
  13. 8281
  14. 5625
  15. 9801
  16. 4356
  17. 5929
  18. 1849
  19. 1681
  20. 441
  21. 441
  22. 6724
  23. 4624
  24. 2916
  25. 196
  26. 4624
  27. 441
  28. 6724
  29. 1156
  30. 256
  31. 1024
  32. 3025
  33. 9025
  34. 2209
  35. 729
  36. 6561
  37. 7569
  38. 576
  39. 7569
  40. 3364

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