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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 790 · 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. 1.39² =
  2. 2.99² =
  3. 3.98² =
  4. 4.46² =
  5. 5.16² =
  6. 6.14² =
  7. 7.87² =
  8. 8.54² =
  9. 9.17² =
  10. 10.23² =
  11. 11.67² =
  12. 12.77² =
  13. 13.62² =
  14. 14.94² =
  15. 15.61² =
  16. 16.63² =
  17. 17.61² =
  18. 18.73² =
  19. 19.14² =
  20. 20.18² =
  21. 21.21² =
  22. 22.25² =
  23. 23.78² =
  24. 24.31² =
  25. 25.69² =
  26. 26.11² =
  27. 27.36² =
  28. 28.58² =
  29. 29.43² =
  30. 30.78² =
  31. 31.27² =
  32. 32.16² =
  33. 33.31² =
  34. 34.93² =
  35. 35.61² =
  36. 36.69² =
  37. 37.39² =
  38. 38.12² =
  39. 39.47² =
  40. 40.62² =

Answer key

  1. 1521
  2. 9801
  3. 9604
  4. 2116
  5. 256
  6. 196
  7. 7569
  8. 2916
  9. 289
  10. 529
  11. 4489
  12. 5929
  13. 3844
  14. 8836
  15. 3721
  16. 3969
  17. 3721
  18. 5329
  19. 196
  20. 324
  21. 441
  22. 625
  23. 6084
  24. 961
  25. 4761
  26. 121
  27. 1296
  28. 3364
  29. 1849
  30. 6084
  31. 729
  32. 256
  33. 961
  34. 8649
  35. 3721
  36. 4761
  37. 1521
  38. 144
  39. 2209
  40. 3844

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