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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 562 · 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. 1.22² =
  2. 2.39² =
  3. 3.52² =
  4. 4.75² =
  5. 5.78² =
  6. 6.85² =
  7. 7.58² =
  8. 8.28² =
  9. 9.31² =
  10. 10.46² =
  11. 11.55² =
  12. 12.28² =
  13. 13.74² =
  14. 14.95² =
  15. 15.77² =
  16. 16.94² =
  17. 17.64² =
  18. 18.73² =
  19. 19.97² =
  20. 20.15² =
  21. 21.59² =
  22. 22.33² =
  23. 23.87² =
  24. 24.31² =
  25. 25.95² =
  26. 26.73² =
  27. 27.44² =
  28. 28.77² =
  29. 29.12² =
  30. 30.65² =
  31. 31.39² =
  32. 32.36² =
  33. 33.32² =
  34. 34.47² =
  35. 35.36² =
  36. 36.16² =
  37. 37.37² =
  38. 38.75² =
  39. 39.67² =
  40. 40.25² =

Answer key

  1. 484
  2. 1521
  3. 2704
  4. 5625
  5. 6084
  6. 7225
  7. 3364
  8. 784
  9. 961
  10. 2116
  11. 3025
  12. 784
  13. 5476
  14. 9025
  15. 5929
  16. 8836
  17. 4096
  18. 5329
  19. 9409
  20. 225
  21. 3481
  22. 1089
  23. 7569
  24. 961
  25. 9025
  26. 5329
  27. 1936
  28. 5929
  29. 144
  30. 4225
  31. 1521
  32. 1296
  33. 1024
  34. 2209
  35. 1296
  36. 256
  37. 1369
  38. 5625
  39. 4489
  40. 625

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