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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 613 · 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. 1.71² =
  2. 2.54² =
  3. 3.15² =
  4. 4.74² =
  5. 5.59² =
  6. 6.27² =
  7. 7.49² =
  8. 8.51² =
  9. 9.46² =
  10. 10.94² =
  11. 11.61² =
  12. 12.44² =
  13. 13.14² =
  14. 14.51² =
  15. 15.71² =
  16. 16.47² =
  17. 17.75² =
  18. 18.53² =
  19. 19.13² =
  20. 20.69² =
  21. 21.66² =
  22. 22.84² =
  23. 23.84² =
  24. 24.86² =
  25. 25.86² =
  26. 26.76² =
  27. 27.61² =
  28. 28.56² =
  29. 29.38² =
  30. 30.68² =
  31. 31.45² =
  32. 32.48² =
  33. 33.13² =
  34. 34.84² =
  35. 35.27² =
  36. 36.95² =
  37. 37.31² =
  38. 38.26² =
  39. 39.24² =
  40. 40.57² =

Answer key

  1. 5041
  2. 2916
  3. 225
  4. 5476
  5. 3481
  6. 729
  7. 2401
  8. 2601
  9. 2116
  10. 8836
  11. 3721
  12. 1936
  13. 196
  14. 2601
  15. 5041
  16. 2209
  17. 5625
  18. 2809
  19. 169
  20. 4761
  21. 4356
  22. 7056
  23. 7056
  24. 7396
  25. 7396
  26. 5776
  27. 3721
  28. 3136
  29. 1444
  30. 4624
  31. 2025
  32. 2304
  33. 169
  34. 7056
  35. 729
  36. 9025
  37. 961
  38. 676
  39. 576
  40. 3249

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