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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 857 · 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. 1.89² =
  2. 2.99² =
  3. 3.91² =
  4. 4.36² =
  5. 5.93² =
  6. 6.59² =
  7. 7.55² =
  8. 8.35² =
  9. 9.77² =
  10. 10.94² =
  11. 11.99² =
  12. 12.62² =
  13. 13.24² =
  14. 14.94² =
  15. 15.93² =
  16. 16.44² =
  17. 17.28² =
  18. 18.37² =
  19. 19.96² =
  20. 20.35² =
  21. 21.27² =
  22. 22.71² =
  23. 23.16² =
  24. 24.12² =
  25. 25.14² =
  26. 26.83² =
  27. 27.77² =
  28. 28.53² =
  29. 29.24² =
  30. 30.14² =
  31. 31.26² =
  32. 32.85² =
  33. 33.81² =
  34. 34.98² =
  35. 35.62² =
  36. 36.96² =
  37. 37.26² =
  38. 38.77² =
  39. 39.24² =
  40. 40.32² =

Answer key

  1. 7921
  2. 9801
  3. 8281
  4. 1296
  5. 8649
  6. 3481
  7. 3025
  8. 1225
  9. 5929
  10. 8836
  11. 9801
  12. 3844
  13. 576
  14. 8836
  15. 8649
  16. 1936
  17. 784
  18. 1369
  19. 9216
  20. 1225
  21. 729
  22. 5041
  23. 256
  24. 144
  25. 196
  26. 6889
  27. 5929
  28. 2809
  29. 576
  30. 196
  31. 676
  32. 7225
  33. 6561
  34. 9604
  35. 3844
  36. 9216
  37. 676
  38. 5929
  39. 576
  40. 1024

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