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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 351 · 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. 1.56² =
  2. 2.62² =
  3. 3.33² =
  4. 4.16² =
  5. 5.88² =
  6. 6.92² =
  7. 7.94² =
  8. 8.32² =
  9. 9.71² =
  10. 10.83² =
  11. 11.38² =
  12. 12.24² =
  13. 13.54² =
  14. 14.32² =
  15. 15.81² =
  16. 16.64² =
  17. 17.57² =
  18. 18.39² =
  19. 19.99² =
  20. 20.62² =
  21. 21.71² =
  22. 22.99² =
  23. 23.46² =
  24. 24.84² =
  25. 25.88² =
  26. 26.17² =
  27. 27.53² =
  28. 28.92² =
  29. 29.35² =
  30. 30.13² =
  31. 31.14² =
  32. 32.13² =
  33. 33.52² =
  34. 34.58² =
  35. 35.87² =
  36. 36.51² =
  37. 37.61² =
  38. 38.22² =
  39. 39.23² =
  40. 40.19² =

Answer key

  1. 3136
  2. 3844
  3. 1089
  4. 256
  5. 7744
  6. 8464
  7. 8836
  8. 1024
  9. 5041
  10. 6889
  11. 1444
  12. 576
  13. 2916
  14. 1024
  15. 6561
  16. 4096
  17. 3249
  18. 1521
  19. 9801
  20. 3844
  21. 5041
  22. 9801
  23. 2116
  24. 7056
  25. 7744
  26. 289
  27. 2809
  28. 8464
  29. 1225
  30. 169
  31. 196
  32. 169
  33. 2704
  34. 3364
  35. 7569
  36. 2601
  37. 3721
  38. 484
  39. 529
  40. 361

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