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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 498 · 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. 1.19² =
  2. 2.53² =
  3. 3.45² =
  4. 4.81² =
  5. 5.34² =
  6. 6.14² =
  7. 7.44² =
  8. 8.95² =
  9. 9.65² =
  10. 10.48² =
  11. 11.71² =
  12. 12.95² =
  13. 13.41² =
  14. 14.33² =
  15. 15.51² =
  16. 16.56² =
  17. 17.42² =
  18. 18.71² =
  19. 19.41² =
  20. 20.21² =
  21. 21.92² =
  22. 22.73² =
  23. 23.94² =
  24. 24.31² =
  25. 25.13² =
  26. 26.39² =
  27. 27.61² =
  28. 28.27² =
  29. 29.33² =
  30. 30.89² =
  31. 31.72² =
  32. 32.74² =
  33. 33.44² =
  34. 34.54² =
  35. 35.64² =
  36. 36.18² =
  37. 37.91² =
  38. 38.63² =
  39. 39.58² =
  40. 40.77² =

Answer key

  1. 361
  2. 2809
  3. 2025
  4. 6561
  5. 1156
  6. 196
  7. 1936
  8. 9025
  9. 4225
  10. 2304
  11. 5041
  12. 9025
  13. 1681
  14. 1089
  15. 2601
  16. 3136
  17. 1764
  18. 5041
  19. 1681
  20. 441
  21. 8464
  22. 5329
  23. 8836
  24. 961
  25. 169
  26. 1521
  27. 3721
  28. 729
  29. 1089
  30. 7921
  31. 5184
  32. 5476
  33. 1936
  34. 2916
  35. 4096
  36. 324
  37. 8281
  38. 3969
  39. 3364
  40. 5929

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