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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 984 · 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. 1.61² =
  2. 2.24² =
  3. 3.47² =
  4. 4.71² =
  5. 5.82² =
  6. 6.99² =
  7. 7.15² =
  8. 8.83² =
  9. 9.99² =
  10. 10.68² =
  11. 11.12² =
  12. 12.51² =
  13. 13.67² =
  14. 14.65² =
  15. 15.93² =
  16. 16.44² =
  17. 17.72² =
  18. 18.63² =
  19. 19.53² =
  20. 20.31² =
  21. 21.68² =
  22. 22.31² =
  23. 23.16² =
  24. 24.88² =
  25. 25.55² =
  26. 26.61² =
  27. 27.68² =
  28. 28.51² =
  29. 29.71² =
  30. 30.46² =
  31. 31.51² =
  32. 32.16² =
  33. 33.17² =
  34. 34.41² =
  35. 35.91² =
  36. 36.91² =
  37. 37.66² =
  38. 38.97² =
  39. 39.68² =
  40. 40.73² =

Answer key

  1. 3721
  2. 576
  3. 2209
  4. 5041
  5. 6724
  6. 9801
  7. 225
  8. 6889
  9. 9801
  10. 4624
  11. 144
  12. 2601
  13. 4489
  14. 4225
  15. 8649
  16. 1936
  17. 5184
  18. 3969
  19. 2809
  20. 961
  21. 4624
  22. 961
  23. 256
  24. 7744
  25. 3025
  26. 3721
  27. 4624
  28. 2601
  29. 5041
  30. 2116
  31. 2601
  32. 256
  33. 289
  34. 1681
  35. 8281
  36. 8281
  37. 4356
  38. 9409
  39. 4624
  40. 5329

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