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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 568 · 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. 1.13² =
  2. 2.78² =
  3. 3.14² =
  4. 4.17² =
  5. 5.74² =
  6. 6.14² =
  7. 7.57² =
  8. 8.97² =
  9. 9.71² =
  10. 10.96² =
  11. 11.15² =
  12. 12.64² =
  13. 13.78² =
  14. 14.81² =
  15. 15.31² =
  16. 16.77² =
  17. 17.12² =
  18. 18.47² =
  19. 19.17² =
  20. 20.35² =
  21. 21.97² =
  22. 22.61² =
  23. 23.21² =
  24. 24.29² =
  25. 25.83² =
  26. 26.25² =
  27. 27.33² =
  28. 28.56² =
  29. 29.54² =
  30. 30.65² =
  31. 31.61² =
  32. 32.33² =
  33. 33.51² =
  34. 34.18² =
  35. 35.51² =
  36. 36.48² =
  37. 37.99² =
  38. 38.14² =
  39. 39.47² =
  40. 40.41² =

Answer key

  1. 169
  2. 6084
  3. 196
  4. 289
  5. 5476
  6. 196
  7. 3249
  8. 9409
  9. 5041
  10. 9216
  11. 225
  12. 4096
  13. 6084
  14. 6561
  15. 961
  16. 5929
  17. 144
  18. 2209
  19. 289
  20. 1225
  21. 9409
  22. 3721
  23. 441
  24. 841
  25. 6889
  26. 625
  27. 1089
  28. 3136
  29. 2916
  30. 4225
  31. 3721
  32. 1089
  33. 2601
  34. 324
  35. 2601
  36. 2304
  37. 9801
  38. 196
  39. 2209
  40. 1681

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