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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 815 · 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. 1.66² =
  2. 2.64² =
  3. 3.66² =
  4. 4.95² =
  5. 5.29² =
  6. 6.83² =
  7. 7.26² =
  8. 8.82² =
  9. 9.98² =
  10. 10.12² =
  11. 11.63² =
  12. 12.71² =
  13. 13.65² =
  14. 14.11² =
  15. 15.35² =
  16. 16.77² =
  17. 17.76² =
  18. 18.14² =
  19. 19.43² =
  20. 20.31² =
  21. 21.95² =
  22. 22.21² =
  23. 23.61² =
  24. 24.93² =
  25. 25.21² =
  26. 26.72² =
  27. 27.22² =
  28. 28.97² =
  29. 29.33² =
  30. 30.51² =
  31. 31.31² =
  32. 32.47² =
  33. 33.81² =
  34. 34.32² =
  35. 35.52² =
  36. 36.95² =
  37. 37.15² =
  38. 38.22² =
  39. 39.46² =
  40. 40.23² =

Answer key

  1. 4356
  2. 4096
  3. 4356
  4. 9025
  5. 841
  6. 6889
  7. 676
  8. 6724
  9. 9604
  10. 144
  11. 3969
  12. 5041
  13. 4225
  14. 121
  15. 1225
  16. 5929
  17. 5776
  18. 196
  19. 1849
  20. 961
  21. 9025
  22. 441
  23. 3721
  24. 8649
  25. 441
  26. 5184
  27. 484
  28. 9409
  29. 1089
  30. 2601
  31. 961
  32. 2209
  33. 6561
  34. 1024
  35. 2704
  36. 9025
  37. 225
  38. 484
  39. 2116
  40. 529

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