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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 788 · 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. 1.63² =
  2. 2.77² =
  3. 3.26² =
  4. 4.11² =
  5. 5.27² =
  6. 6.54² =
  7. 7.56² =
  8. 8.52² =
  9. 9.56² =
  10. 10.71² =
  11. 11.88² =
  12. 12.66² =
  13. 13.95² =
  14. 14.15² =
  15. 15.62² =
  16. 16.81² =
  17. 17.19² =
  18. 18.11² =
  19. 19.69² =
  20. 20.31² =
  21. 21.15² =
  22. 22.81² =
  23. 23.91² =
  24. 24.13² =
  25. 25.11² =
  26. 26.24² =
  27. 27.83² =
  28. 28.33² =
  29. 29.11² =
  30. 30.43² =
  31. 31.94² =
  32. 32.36² =
  33. 33.68² =
  34. 34.14² =
  35. 35.92² =
  36. 36.29² =
  37. 37.82² =
  38. 38.37² =
  39. 39.66² =
  40. 40.75² =

Answer key

  1. 3969
  2. 5929
  3. 676
  4. 121
  5. 729
  6. 2916
  7. 3136
  8. 2704
  9. 3136
  10. 5041
  11. 7744
  12. 4356
  13. 9025
  14. 225
  15. 3844
  16. 6561
  17. 361
  18. 121
  19. 4761
  20. 961
  21. 225
  22. 6561
  23. 8281
  24. 169
  25. 121
  26. 576
  27. 6889
  28. 1089
  29. 121
  30. 1849
  31. 8836
  32. 1296
  33. 4624
  34. 196
  35. 8464
  36. 841
  37. 6724
  38. 1369
  39. 4356
  40. 5625

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