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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 736 · 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. 1.19² =
  2. 2.56² =
  3. 3.57² =
  4. 4.59² =
  5. 5.58² =
  6. 6.82² =
  7. 7.37² =
  8. 8.71² =
  9. 9.25² =
  10. 10.94² =
  11. 11.11² =
  12. 12.36² =
  13. 13.22² =
  14. 14.19² =
  15. 15.26² =
  16. 16.61² =
  17. 17.82² =
  18. 18.71² =
  19. 19.72² =
  20. 20.14² =
  21. 21.19² =
  22. 22.46² =
  23. 23.19² =
  24. 24.73² =
  25. 25.37² =
  26. 26.93² =
  27. 27.13² =
  28. 28.94² =
  29. 29.41² =
  30. 30.61² =
  31. 31.62² =
  32. 32.17² =
  33. 33.71² =
  34. 34.32² =
  35. 35.82² =
  36. 36.37² =
  37. 37.93² =
  38. 38.88² =
  39. 39.14² =
  40. 40.65² =

Answer key

  1. 361
  2. 3136
  3. 3249
  4. 3481
  5. 3364
  6. 6724
  7. 1369
  8. 5041
  9. 625
  10. 8836
  11. 121
  12. 1296
  13. 484
  14. 361
  15. 676
  16. 3721
  17. 6724
  18. 5041
  19. 5184
  20. 196
  21. 361
  22. 2116
  23. 361
  24. 5329
  25. 1369
  26. 8649
  27. 169
  28. 8836
  29. 1681
  30. 3721
  31. 3844
  32. 289
  33. 5041
  34. 1024
  35. 6724
  36. 1369
  37. 8649
  38. 7744
  39. 196
  40. 4225

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