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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 686 · 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. 1.19² =
  2. 2.33² =
  3. 3.59² =
  4. 4.57² =
  5. 5.31² =
  6. 6.75² =
  7. 7.73² =
  8. 8.61² =
  9. 9.29² =
  10. 10.53² =
  11. 11.73² =
  12. 12.85² =
  13. 13.12² =
  14. 14.71² =
  15. 15.35² =
  16. 16.34² =
  17. 17.93² =
  18. 18.86² =
  19. 19.97² =
  20. 20.55² =
  21. 21.13² =
  22. 22.17² =
  23. 23.43² =
  24. 24.29² =
  25. 25.23² =
  26. 26.53² =
  27. 27.68² =
  28. 28.81² =
  29. 29.37² =
  30. 30.11² =
  31. 31.66² =
  32. 32.44² =
  33. 33.31² =
  34. 34.14² =
  35. 35.44² =
  36. 36.89² =
  37. 37.93² =
  38. 38.68² =
  39. 39.51² =
  40. 40.81² =

Answer key

  1. 361
  2. 1089
  3. 3481
  4. 3249
  5. 961
  6. 5625
  7. 5329
  8. 3721
  9. 841
  10. 2809
  11. 5329
  12. 7225
  13. 144
  14. 5041
  15. 1225
  16. 1156
  17. 8649
  18. 7396
  19. 9409
  20. 3025
  21. 169
  22. 289
  23. 1849
  24. 841
  25. 529
  26. 2809
  27. 4624
  28. 6561
  29. 1369
  30. 121
  31. 4356
  32. 1936
  33. 961
  34. 196
  35. 1936
  36. 7921
  37. 8649
  38. 4624
  39. 2601
  40. 6561

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