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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 919 · 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. 1.12² =
  2. 2.47² =
  3. 3.31² =
  4. 4.76² =
  5. 5.14² =
  6. 6.41² =
  7. 7.53² =
  8. 8.11² =
  9. 9.19² =
  10. 10.91² =
  11. 11.15² =
  12. 12.21² =
  13. 13.75² =
  14. 14.92² =
  15. 15.35² =
  16. 16.69² =
  17. 17.36² =
  18. 18.71² =
  19. 19.12² =
  20. 20.25² =
  21. 21.39² =
  22. 22.81² =
  23. 23.66² =
  24. 24.41² =
  25. 25.51² =
  26. 26.88² =
  27. 27.15² =
  28. 28.96² =
  29. 29.52² =
  30. 30.29² =
  31. 31.34² =
  32. 32.35² =
  33. 33.34² =
  34. 34.83² =
  35. 35.17² =
  36. 36.33² =
  37. 37.74² =
  38. 38.94² =
  39. 39.78² =
  40. 40.31² =

Answer key

  1. 144
  2. 2209
  3. 961
  4. 5776
  5. 196
  6. 1681
  7. 2809
  8. 121
  9. 361
  10. 8281
  11. 225
  12. 441
  13. 5625
  14. 8464
  15. 1225
  16. 4761
  17. 1296
  18. 5041
  19. 144
  20. 625
  21. 1521
  22. 6561
  23. 4356
  24. 1681
  25. 2601
  26. 7744
  27. 225
  28. 9216
  29. 2704
  30. 841
  31. 1156
  32. 1225
  33. 1156
  34. 6889
  35. 289
  36. 1089
  37. 5476
  38. 8836
  39. 6084
  40. 961

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