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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 192 · 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. 1.29² =
  2. 2.67² =
  3. 3.87² =
  4. 4.25² =
  5. 5.11² =
  6. 6.58² =
  7. 7.91² =
  8. 8.65² =
  9. 9.35² =
  10. 10.18² =
  11. 11.13² =
  12. 12.19² =
  13. 13.58² =
  14. 14.91² =
  15. 15.71² =
  16. 16.88² =
  17. 17.75² =
  18. 18.56² =
  19. 19.64² =
  20. 20.54² =
  21. 21.75² =
  22. 22.74² =
  23. 23.14² =
  24. 24.35² =
  25. 25.15² =
  26. 26.85² =
  27. 27.33² =
  28. 28.68² =
  29. 29.33² =
  30. 30.73² =
  31. 31.26² =
  32. 32.69² =
  33. 33.72² =
  34. 34.14² =
  35. 35.34² =
  36. 36.51² =
  37. 37.33² =
  38. 38.52² =
  39. 39.27² =
  40. 40.63² =

Answer key

  1. 841
  2. 4489
  3. 7569
  4. 625
  5. 121
  6. 3364
  7. 8281
  8. 4225
  9. 1225
  10. 324
  11. 169
  12. 361
  13. 3364
  14. 8281
  15. 5041
  16. 7744
  17. 5625
  18. 3136
  19. 4096
  20. 2916
  21. 5625
  22. 5476
  23. 196
  24. 1225
  25. 225
  26. 7225
  27. 1089
  28. 4624
  29. 1089
  30. 5329
  31. 676
  32. 4761
  33. 5184
  34. 196
  35. 1156
  36. 2601
  37. 1089
  38. 2704
  39. 729
  40. 3969

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