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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 580 · 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. 1.15² =
  2. 2.62² =
  3. 3.17² =
  4. 4.95² =
  5. 5.53² =
  6. 6.46² =
  7. 7.91² =
  8. 8.79² =
  9. 9.92² =
  10. 10.88² =
  11. 11.53² =
  12. 12.45² =
  13. 13.38² =
  14. 14.86² =
  15. 15.45² =
  16. 16.97² =
  17. 17.27² =
  18. 18.68² =
  19. 19.14² =
  20. 20.51² =
  21. 21.94² =
  22. 22.29² =
  23. 23.47² =
  24. 24.34² =
  25. 25.59² =
  26. 26.47² =
  27. 27.54² =
  28. 28.24² =
  29. 29.42² =
  30. 30.61² =
  31. 31.38² =
  32. 32.13² =
  33. 33.35² =
  34. 34.78² =
  35. 35.12² =
  36. 36.74² =
  37. 37.23² =
  38. 38.93² =
  39. 39.11² =
  40. 40.37² =

Answer key

  1. 225
  2. 3844
  3. 289
  4. 9025
  5. 2809
  6. 2116
  7. 8281
  8. 6241
  9. 8464
  10. 7744
  11. 2809
  12. 2025
  13. 1444
  14. 7396
  15. 2025
  16. 9409
  17. 729
  18. 4624
  19. 196
  20. 2601
  21. 8836
  22. 841
  23. 2209
  24. 1156
  25. 3481
  26. 2209
  27. 2916
  28. 576
  29. 1764
  30. 3721
  31. 1444
  32. 169
  33. 1225
  34. 6084
  35. 144
  36. 5476
  37. 529
  38. 8649
  39. 121
  40. 1369

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