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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 674 · 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. 1.73² =
  2. 2.64² =
  3. 3.77² =
  4. 4.61² =
  5. 5.81² =
  6. 6.72² =
  7. 7.32² =
  8. 8.71² =
  9. 9.81² =
  10. 10.65² =
  11. 11.33² =
  12. 12.53² =
  13. 13.97² =
  14. 14.47² =
  15. 15.13² =
  16. 16.36² =
  17. 17.93² =
  18. 18.11² =
  19. 19.79² =
  20. 20.11² =
  21. 21.16² =
  22. 22.34² =
  23. 23.16² =
  24. 24.25² =
  25. 25.39² =
  26. 26.43² =
  27. 27.82² =
  28. 28.91² =
  29. 29.79² =
  30. 30.81² =
  31. 31.16² =
  32. 32.39² =
  33. 33.55² =
  34. 34.38² =
  35. 35.33² =
  36. 36.24² =
  37. 37.37² =
  38. 38.37² =
  39. 39.87² =
  40. 40.56² =

Answer key

  1. 5329
  2. 4096
  3. 5929
  4. 3721
  5. 6561
  6. 5184
  7. 1024
  8. 5041
  9. 6561
  10. 4225
  11. 1089
  12. 2809
  13. 9409
  14. 2209
  15. 169
  16. 1296
  17. 8649
  18. 121
  19. 6241
  20. 121
  21. 256
  22. 1156
  23. 256
  24. 625
  25. 1521
  26. 1849
  27. 6724
  28. 8281
  29. 6241
  30. 6561
  31. 256
  32. 1521
  33. 3025
  34. 1444
  35. 1089
  36. 576
  37. 1369
  38. 1369
  39. 7569
  40. 3136

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