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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 205 · 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. 1.97² =
  2. 2.43² =
  3. 3.47² =
  4. 4.16² =
  5. 5.74² =
  6. 6.84² =
  7. 7.18² =
  8. 8.54² =
  9. 9.31² =
  10. 10.84² =
  11. 11.74² =
  12. 12.37² =
  13. 13.56² =
  14. 14.91² =
  15. 15.29² =
  16. 16.74² =
  17. 17.97² =
  18. 18.61² =
  19. 19.34² =
  20. 20.48² =
  21. 21.36² =
  22. 22.55² =
  23. 23.18² =
  24. 24.75² =
  25. 25.86² =
  26. 26.69² =
  27. 27.48² =
  28. 28.61² =
  29. 29.12² =
  30. 30.44² =
  31. 31.17² =
  32. 32.24² =
  33. 33.29² =
  34. 34.77² =
  35. 35.21² =
  36. 36.28² =
  37. 37.14² =
  38. 38.45² =
  39. 39.46² =
  40. 40.96² =

Answer key

  1. 9409
  2. 1849
  3. 2209
  4. 256
  5. 5476
  6. 7056
  7. 324
  8. 2916
  9. 961
  10. 7056
  11. 5476
  12. 1369
  13. 3136
  14. 8281
  15. 841
  16. 5476
  17. 9409
  18. 3721
  19. 1156
  20. 2304
  21. 1296
  22. 3025
  23. 324
  24. 5625
  25. 7396
  26. 4761
  27. 2304
  28. 3721
  29. 144
  30. 1936
  31. 289
  32. 576
  33. 841
  34. 5929
  35. 441
  36. 784
  37. 196
  38. 2025
  39. 2116
  40. 9216

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