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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 689 · 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. 1.23² =
  2. 2.59² =
  3. 3.74² =
  4. 4.18² =
  5. 5.58² =
  6. 6.53² =
  7. 7.56² =
  8. 8.36² =
  9. 9.71² =
  10. 10.14² =
  11. 11.93² =
  12. 12.25² =
  13. 13.84² =
  14. 14.36² =
  15. 15.18² =
  16. 16.77² =
  17. 17.92² =
  18. 18.17² =
  19. 19.32² =
  20. 20.69² =
  21. 21.11² =
  22. 22.26² =
  23. 23.34² =
  24. 24.17² =
  25. 25.66² =
  26. 26.32² =
  27. 27.33² =
  28. 28.51² =
  29. 29.46² =
  30. 30.34² =
  31. 31.51² =
  32. 32.47² =
  33. 33.37² =
  34. 34.71² =
  35. 35.47² =
  36. 36.65² =
  37. 37.46² =
  38. 38.91² =
  39. 39.55² =
  40. 40.66² =

Answer key

  1. 529
  2. 3481
  3. 5476
  4. 324
  5. 3364
  6. 2809
  7. 3136
  8. 1296
  9. 5041
  10. 196
  11. 8649
  12. 625
  13. 7056
  14. 1296
  15. 324
  16. 5929
  17. 8464
  18. 289
  19. 1024
  20. 4761
  21. 121
  22. 676
  23. 1156
  24. 289
  25. 4356
  26. 1024
  27. 1089
  28. 2601
  29. 2116
  30. 1156
  31. 2601
  32. 2209
  33. 1369
  34. 5041
  35. 2209
  36. 4225
  37. 2116
  38. 8281
  39. 3025
  40. 4356

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