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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 525 · 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. 1.77² =
  2. 2.31² =
  3. 3.99² =
  4. 4.62² =
  5. 5.85² =
  6. 6.89² =
  7. 7.71² =
  8. 8.94² =
  9. 9.93² =
  10. 10.48² =
  11. 11.33² =
  12. 12.47² =
  13. 13.31² =
  14. 14.14² =
  15. 15.11² =
  16. 16.14² =
  17. 17.79² =
  18. 18.96² =
  19. 19.71² =
  20. 20.77² =
  21. 21.75² =
  22. 22.33² =
  23. 23.29² =
  24. 24.12² =
  25. 25.69² =
  26. 26.23² =
  27. 27.12² =
  28. 28.31² =
  29. 29.83² =
  30. 30.55² =
  31. 31.59² =
  32. 32.73² =
  33. 33.65² =
  34. 34.19² =
  35. 35.43² =
  36. 36.79² =
  37. 37.36² =
  38. 38.91² =
  39. 39.72² =
  40. 40.46² =

Answer key

  1. 5929
  2. 961
  3. 9801
  4. 3844
  5. 7225
  6. 7921
  7. 5041
  8. 8836
  9. 8649
  10. 2304
  11. 1089
  12. 2209
  13. 961
  14. 196
  15. 121
  16. 196
  17. 6241
  18. 9216
  19. 5041
  20. 5929
  21. 5625
  22. 1089
  23. 841
  24. 144
  25. 4761
  26. 529
  27. 144
  28. 961
  29. 6889
  30. 3025
  31. 3481
  32. 5329
  33. 4225
  34. 361
  35. 1849
  36. 6241
  37. 1296
  38. 8281
  39. 5184
  40. 2116

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