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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 732 · 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. 1.16² =
  2. 2.96² =
  3. 3.69² =
  4. 4.51² =
  5. 5.33² =
  6. 6.71² =
  7. 7.79² =
  8. 8.61² =
  9. 9.12² =
  10. 10.41² =
  11. 11.97² =
  12. 12.86² =
  13. 13.23² =
  14. 14.66² =
  15. 15.68² =
  16. 16.16² =
  17. 17.86² =
  18. 18.34² =
  19. 19.63² =
  20. 20.51² =
  21. 21.65² =
  22. 22.91² =
  23. 23.51² =
  24. 24.93² =
  25. 25.69² =
  26. 26.12² =
  27. 27.23² =
  28. 28.65² =
  29. 29.54² =
  30. 30.99² =
  31. 31.84² =
  32. 32.79² =
  33. 33.71² =
  34. 34.26² =
  35. 35.15² =
  36. 36.93² =
  37. 37.13² =
  38. 38.74² =
  39. 39.75² =
  40. 40.83² =

Answer key

  1. 256
  2. 9216
  3. 4761
  4. 2601
  5. 1089
  6. 5041
  7. 6241
  8. 3721
  9. 144
  10. 1681
  11. 9409
  12. 7396
  13. 529
  14. 4356
  15. 4624
  16. 256
  17. 7396
  18. 1156
  19. 3969
  20. 2601
  21. 4225
  22. 8281
  23. 2601
  24. 8649
  25. 4761
  26. 144
  27. 529
  28. 4225
  29. 2916
  30. 9801
  31. 7056
  32. 6241
  33. 5041
  34. 676
  35. 225
  36. 8649
  37. 169
  38. 5476
  39. 5625
  40. 6889

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