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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 771 · 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. 1.67² =
  2. 2.71² =
  3. 3.41² =
  4. 4.28² =
  5. 5.94² =
  6. 6.95² =
  7. 7.29² =
  8. 8.45² =
  9. 9.56² =
  10. 10.14² =
  11. 11.17² =
  12. 12.41² =
  13. 13.81² =
  14. 14.98² =
  15. 15.49² =
  16. 16.63² =
  17. 17.61² =
  18. 18.92² =
  19. 19.62² =
  20. 20.29² =
  21. 21.83² =
  22. 22.53² =
  23. 23.81² =
  24. 24.36² =
  25. 25.19² =
  26. 26.91² =
  27. 27.65² =
  28. 28.21² =
  29. 29.78² =
  30. 30.59² =
  31. 31.22² =
  32. 32.52² =
  33. 33.71² =
  34. 34.91² =
  35. 35.85² =
  36. 36.72² =
  37. 37.62² =
  38. 38.11² =
  39. 39.19² =
  40. 40.81² =

Answer key

  1. 4489
  2. 5041
  3. 1681
  4. 784
  5. 8836
  6. 9025
  7. 841
  8. 2025
  9. 3136
  10. 196
  11. 289
  12. 1681
  13. 6561
  14. 9604
  15. 2401
  16. 3969
  17. 3721
  18. 8464
  19. 3844
  20. 841
  21. 6889
  22. 2809
  23. 6561
  24. 1296
  25. 361
  26. 8281
  27. 4225
  28. 441
  29. 6084
  30. 3481
  31. 484
  32. 2704
  33. 5041
  34. 8281
  35. 7225
  36. 5184
  37. 3844
  38. 121
  39. 361
  40. 6561

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