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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 606 · 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. 1.88² =
  2. 2.22² =
  3. 3.74² =
  4. 4.47² =
  5. 5.47² =
  6. 6.13² =
  7. 7.73² =
  8. 8.61² =
  9. 9.62² =
  10. 10.33² =
  11. 11.17² =
  12. 12.92² =
  13. 13.48² =
  14. 14.48² =
  15. 15.84² =
  16. 16.91² =
  17. 17.12² =
  18. 18.79² =
  19. 19.23² =
  20. 20.26² =
  21. 21.18² =
  22. 22.21² =
  23. 23.67² =
  24. 24.31² =
  25. 25.94² =
  26. 26.51² =
  27. 27.65² =
  28. 28.14² =
  29. 29.68² =
  30. 30.41² =
  31. 31.44² =
  32. 32.32² =
  33. 33.45² =
  34. 34.18² =
  35. 35.51² =
  36. 36.85² =
  37. 37.63² =
  38. 38.81² =
  39. 39.43² =
  40. 40.63² =

Answer key

  1. 7744
  2. 484
  3. 5476
  4. 2209
  5. 2209
  6. 169
  7. 5329
  8. 3721
  9. 3844
  10. 1089
  11. 289
  12. 8464
  13. 2304
  14. 2304
  15. 7056
  16. 8281
  17. 144
  18. 6241
  19. 529
  20. 676
  21. 324
  22. 441
  23. 4489
  24. 961
  25. 8836
  26. 2601
  27. 4225
  28. 196
  29. 4624
  30. 1681
  31. 1936
  32. 1024
  33. 2025
  34. 324
  35. 2601
  36. 7225
  37. 3969
  38. 6561
  39. 1849
  40. 3969

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