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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 102 · 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. 1.17² =
  2. 2.75² =
  3. 3.44² =
  4. 4.89² =
  5. 5.24² =
  6. 6.61² =
  7. 7.64² =
  8. 8.38² =
  9. 9.54² =
  10. 10.23² =
  11. 11.37² =
  12. 12.11² =
  13. 13.57² =
  14. 14.58² =
  15. 15.14² =
  16. 16.35² =
  17. 17.23² =
  18. 18.45² =
  19. 19.62² =
  20. 20.45² =
  21. 21.36² =
  22. 22.31² =
  23. 23.31² =
  24. 24.18² =
  25. 25.38² =
  26. 26.17² =
  27. 27.97² =
  28. 28.64² =
  29. 29.79² =
  30. 30.98² =
  31. 31.22² =
  32. 32.15² =
  33. 33.47² =
  34. 34.69² =
  35. 35.66² =
  36. 36.18² =
  37. 37.16² =
  38. 38.65² =
  39. 39.74² =
  40. 40.75² =

Answer key

  1. 289
  2. 5625
  3. 1936
  4. 7921
  5. 576
  6. 3721
  7. 4096
  8. 1444
  9. 2916
  10. 529
  11. 1369
  12. 121
  13. 3249
  14. 3364
  15. 196
  16. 1225
  17. 529
  18. 2025
  19. 3844
  20. 2025
  21. 1296
  22. 961
  23. 961
  24. 324
  25. 1444
  26. 289
  27. 9409
  28. 4096
  29. 6241
  30. 9604
  31. 484
  32. 225
  33. 2209
  34. 4761
  35. 4356
  36. 324
  37. 256
  38. 4225
  39. 5476
  40. 5625

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