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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 921 · 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. 1.36² =
  2. 2.11² =
  3. 3.16² =
  4. 4.26² =
  5. 5.56² =
  6. 6.23² =
  7. 7.33² =
  8. 8.38² =
  9. 9.81² =
  10. 10.12² =
  11. 11.79² =
  12. 12.34² =
  13. 13.14² =
  14. 14.91² =
  15. 15.11² =
  16. 16.33² =
  17. 17.45² =
  18. 18.22² =
  19. 19.99² =
  20. 20.36² =
  21. 21.51² =
  22. 22.71² =
  23. 23.73² =
  24. 24.55² =
  25. 25.28² =
  26. 26.74² =
  27. 27.19² =
  28. 28.44² =
  29. 29.42² =
  30. 30.12² =
  31. 31.74² =
  32. 32.91² =
  33. 33.98² =
  34. 34.11² =
  35. 35.95² =
  36. 36.41² =
  37. 37.82² =
  38. 38.64² =
  39. 39.75² =
  40. 40.97² =

Answer key

  1. 1296
  2. 121
  3. 256
  4. 676
  5. 3136
  6. 529
  7. 1089
  8. 1444
  9. 6561
  10. 144
  11. 6241
  12. 1156
  13. 196
  14. 8281
  15. 121
  16. 1089
  17. 2025
  18. 484
  19. 9801
  20. 1296
  21. 2601
  22. 5041
  23. 5329
  24. 3025
  25. 784
  26. 5476
  27. 361
  28. 1936
  29. 1764
  30. 144
  31. 5476
  32. 8281
  33. 9604
  34. 121
  35. 9025
  36. 1681
  37. 6724
  38. 4096
  39. 5625
  40. 9409

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