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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 249 · 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. 1.35² =
  2. 2.34² =
  3. 3.67² =
  4. 4.52² =
  5. 5.83² =
  6. 6.28² =
  7. 7.49² =
  8. 8.58² =
  9. 9.73² =
  10. 10.22² =
  11. 11.41² =
  12. 12.14² =
  13. 13.11² =
  14. 14.41² =
  15. 15.34² =
  16. 16.75² =
  17. 17.13² =
  18. 18.71² =
  19. 19.86² =
  20. 20.86² =
  21. 21.46² =
  22. 22.42² =
  23. 23.18² =
  24. 24.26² =
  25. 25.24² =
  26. 26.24² =
  27. 27.27² =
  28. 28.23² =
  29. 29.11² =
  30. 30.91² =
  31. 31.17² =
  32. 32.16² =
  33. 33.64² =
  34. 34.92² =
  35. 35.61² =
  36. 36.15² =
  37. 37.73² =
  38. 38.23² =
  39. 39.83² =
  40. 40.27² =

Answer key

  1. 1225
  2. 1156
  3. 4489
  4. 2704
  5. 6889
  6. 784
  7. 2401
  8. 3364
  9. 5329
  10. 484
  11. 1681
  12. 196
  13. 121
  14. 1681
  15. 1156
  16. 5625
  17. 169
  18. 5041
  19. 7396
  20. 7396
  21. 2116
  22. 1764
  23. 324
  24. 676
  25. 576
  26. 576
  27. 729
  28. 529
  29. 121
  30. 8281
  31. 289
  32. 256
  33. 4096
  34. 8464
  35. 3721
  36. 225
  37. 5329
  38. 529
  39. 6889
  40. 729

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