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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 499 · 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. 1.68² =
  2. 2.62² =
  3. 3.76² =
  4. 4.11² =
  5. 5.17² =
  6. 6.51² =
  7. 7.34² =
  8. 8.81² =
  9. 9.87² =
  10. 10.29² =
  11. 11.31² =
  12. 12.98² =
  13. 13.36² =
  14. 14.42² =
  15. 15.97² =
  16. 16.14² =
  17. 17.82² =
  18. 18.84² =
  19. 19.26² =
  20. 20.42² =
  21. 21.81² =
  22. 22.57² =
  23. 23.31² =
  24. 24.91² =
  25. 25.95² =
  26. 26.84² =
  27. 27.71² =
  28. 28.64² =
  29. 29.34² =
  30. 30.79² =
  31. 31.92² =
  32. 32.43² =
  33. 33.85² =
  34. 34.95² =
  35. 35.27² =
  36. 36.13² =
  37. 37.94² =
  38. 38.17² =
  39. 39.75² =
  40. 40.21² =

Answer key

  1. 4624
  2. 3844
  3. 5776
  4. 121
  5. 289
  6. 2601
  7. 1156
  8. 6561
  9. 7569
  10. 841
  11. 961
  12. 9604
  13. 1296
  14. 1764
  15. 9409
  16. 196
  17. 6724
  18. 7056
  19. 676
  20. 1764
  21. 6561
  22. 3249
  23. 961
  24. 8281
  25. 9025
  26. 7056
  27. 5041
  28. 4096
  29. 1156
  30. 6241
  31. 8464
  32. 1849
  33. 7225
  34. 9025
  35. 729
  36. 169
  37. 8836
  38. 289
  39. 5625
  40. 441

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