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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 202 · 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. 1.86² =
  2. 2.35² =
  3. 3.24² =
  4. 4.71² =
  5. 5.55² =
  6. 6.84² =
  7. 7.11² =
  8. 8.92² =
  9. 9.31² =
  10. 10.63² =
  11. 11.15² =
  12. 12.65² =
  13. 13.89² =
  14. 14.86² =
  15. 15.26² =
  16. 16.92² =
  17. 17.22² =
  18. 18.73² =
  19. 19.79² =
  20. 20.29² =
  21. 21.55² =
  22. 22.67² =
  23. 23.15² =
  24. 24.36² =
  25. 25.19² =
  26. 26.15² =
  27. 27.23² =
  28. 28.27² =
  29. 29.58² =
  30. 30.46² =
  31. 31.12² =
  32. 32.72² =
  33. 33.16² =
  34. 34.14² =
  35. 35.37² =
  36. 36.24² =
  37. 37.93² =
  38. 38.34² =
  39. 39.13² =
  40. 40.44² =

Answer key

  1. 7396
  2. 1225
  3. 576
  4. 5041
  5. 3025
  6. 7056
  7. 121
  8. 8464
  9. 961
  10. 3969
  11. 225
  12. 4225
  13. 7921
  14. 7396
  15. 676
  16. 8464
  17. 484
  18. 5329
  19. 6241
  20. 841
  21. 3025
  22. 4489
  23. 225
  24. 1296
  25. 361
  26. 225
  27. 529
  28. 729
  29. 3364
  30. 2116
  31. 144
  32. 5184
  33. 256
  34. 196
  35. 1369
  36. 576
  37. 8649
  38. 1156
  39. 169
  40. 1936

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