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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 196 · 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. 1.78² =
  2. 2.44² =
  3. 3.34² =
  4. 4.83² =
  5. 5.29² =
  6. 6.49² =
  7. 7.67² =
  8. 8.81² =
  9. 9.44² =
  10. 10.75² =
  11. 11.26² =
  12. 12.48² =
  13. 13.61² =
  14. 14.18² =
  15. 15.46² =
  16. 16.11² =
  17. 17.17² =
  18. 18.28² =
  19. 19.77² =
  20. 20.85² =
  21. 21.13² =
  22. 22.41² =
  23. 23.16² =
  24. 24.59² =
  25. 25.19² =
  26. 26.21² =
  27. 27.61² =
  28. 28.47² =
  29. 29.15² =
  30. 30.73² =
  31. 31.21² =
  32. 32.94² =
  33. 33.19² =
  34. 34.94² =
  35. 35.61² =
  36. 36.68² =
  37. 37.41² =
  38. 38.97² =
  39. 39.36² =
  40. 40.17² =

Answer key

  1. 6084
  2. 1936
  3. 1156
  4. 6889
  5. 841
  6. 2401
  7. 4489
  8. 6561
  9. 1936
  10. 5625
  11. 676
  12. 2304
  13. 3721
  14. 324
  15. 2116
  16. 121
  17. 289
  18. 784
  19. 5929
  20. 7225
  21. 169
  22. 1681
  23. 256
  24. 3481
  25. 361
  26. 441
  27. 3721
  28. 2209
  29. 225
  30. 5329
  31. 441
  32. 8836
  33. 361
  34. 8836
  35. 3721
  36. 4624
  37. 1681
  38. 9409
  39. 1296
  40. 289

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