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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 955 · 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. 1.29² =
  2. 2.63² =
  3. 3.91² =
  4. 4.42² =
  5. 5.54² =
  6. 6.38² =
  7. 7.64² =
  8. 8.19² =
  9. 9.49² =
  10. 10.17² =
  11. 11.12² =
  12. 12.13² =
  13. 13.43² =
  14. 14.56² =
  15. 15.62² =
  16. 16.43² =
  17. 17.52² =
  18. 18.14² =
  19. 19.73² =
  20. 20.96² =
  21. 21.38² =
  22. 22.59² =
  23. 23.41² =
  24. 24.24² =
  25. 25.18² =
  26. 26.42² =
  27. 27.41² =
  28. 28.46² =
  29. 29.52² =
  30. 30.19² =
  31. 31.34² =
  32. 32.73² =
  33. 33.37² =
  34. 34.31² =
  35. 35.88² =
  36. 36.26² =
  37. 37.16² =
  38. 38.85² =
  39. 39.57² =
  40. 40.78² =

Answer key

  1. 841
  2. 3969
  3. 8281
  4. 1764
  5. 2916
  6. 1444
  7. 4096
  8. 361
  9. 2401
  10. 289
  11. 144
  12. 169
  13. 1849
  14. 3136
  15. 3844
  16. 1849
  17. 2704
  18. 196
  19. 5329
  20. 9216
  21. 1444
  22. 3481
  23. 1681
  24. 576
  25. 324
  26. 1764
  27. 1681
  28. 2116
  29. 2704
  30. 361
  31. 1156
  32. 5329
  33. 1369
  34. 961
  35. 7744
  36. 676
  37. 256
  38. 7225
  39. 3249
  40. 6084

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