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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 409 · 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. 2.33² =
  3. 3.77² =
  4. 4.96² =
  5. 5.88² =
  6. 6.56² =
  7. 7.91² =
  8. 8.96² =
  9. 9.24² =
  10. 10.44² =
  11. 11.39² =
  12. 12.72² =
  13. 13.62² =
  14. 14.21² =
  15. 15.13² =
  16. 16.37² =
  17. 17.87² =
  18. 18.25² =
  19. 19.78² =
  20. 20.81² =
  21. 21.31² =
  22. 22.73² =
  23. 23.94² =
  24. 24.18² =
  25. 25.41² =
  26. 26.14² =
  27. 27.44² =
  28. 28.41² =
  29. 29.33² =
  30. 30.21² =
  31. 31.56² =
  32. 32.36² =
  33. 33.39² =
  34. 34.54² =
  35. 35.98² =
  36. 36.81² =
  37. 37.97² =
  38. 38.23² =
  39. 39.67² =
  40. 40.58² =

Answer key

  1. 361
  2. 1089
  3. 5929
  4. 9216
  5. 7744
  6. 3136
  7. 8281
  8. 9216
  9. 576
  10. 1936
  11. 1521
  12. 5184
  13. 3844
  14. 441
  15. 169
  16. 1369
  17. 7569
  18. 625
  19. 6084
  20. 6561
  21. 961
  22. 5329
  23. 8836
  24. 324
  25. 1681
  26. 196
  27. 1936
  28. 1681
  29. 1089
  30. 441
  31. 3136
  32. 1296
  33. 1521
  34. 2916
  35. 9604
  36. 6561
  37. 9409
  38. 529
  39. 4489
  40. 3364

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