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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 846 · 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. 1.12² =
  2. 2.12² =
  3. 3.15² =
  4. 4.74² =
  5. 5.57² =
  6. 6.15² =
  7. 7.81² =
  8. 8.39² =
  9. 9.86² =
  10. 10.45² =
  11. 11.91² =
  12. 12.64² =
  13. 13.18² =
  14. 14.96² =
  15. 15.91² =
  16. 16.84² =
  17. 17.78² =
  18. 18.89² =
  19. 19.19² =
  20. 20.15² =
  21. 21.11² =
  22. 22.96² =
  23. 23.14² =
  24. 24.86² =
  25. 25.27² =
  26. 26.94² =
  27. 27.56² =
  28. 28.93² =
  29. 29.59² =
  30. 30.18² =
  31. 31.49² =
  32. 32.46² =
  33. 33.98² =
  34. 34.95² =
  35. 35.21² =
  36. 36.93² =
  37. 37.85² =
  38. 38.96² =
  39. 39.34² =
  40. 40.35² =

Answer key

  1. 144
  2. 144
  3. 225
  4. 5476
  5. 3249
  6. 225
  7. 6561
  8. 1521
  9. 7396
  10. 2025
  11. 8281
  12. 4096
  13. 324
  14. 9216
  15. 8281
  16. 7056
  17. 6084
  18. 7921
  19. 361
  20. 225
  21. 121
  22. 9216
  23. 196
  24. 7396
  25. 729
  26. 8836
  27. 3136
  28. 8649
  29. 3481
  30. 324
  31. 2401
  32. 2116
  33. 9604
  34. 9025
  35. 441
  36. 8649
  37. 7225
  38. 9216
  39. 1156
  40. 1225

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