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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 199 · 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. 1.15² =
  2. 2.48² =
  3. 3.85² =
  4. 4.61² =
  5. 5.44² =
  6. 6.13² =
  7. 7.21² =
  8. 8.18² =
  9. 9.45² =
  10. 10.51² =
  11. 11.98² =
  12. 12.52² =
  13. 13.58² =
  14. 14.48² =
  15. 15.61² =
  16. 16.28² =
  17. 17.81² =
  18. 18.83² =
  19. 19.96² =
  20. 20.35² =
  21. 21.41² =
  22. 22.86² =
  23. 23.66² =
  24. 24.91² =
  25. 25.87² =
  26. 26.74² =
  27. 27.41² =
  28. 28.53² =
  29. 29.95² =
  30. 30.21² =
  31. 31.19² =
  32. 32.45² =
  33. 33.22² =
  34. 34.34² =
  35. 35.84² =
  36. 36.91² =
  37. 37.21² =
  38. 38.16² =
  39. 39.61² =
  40. 40.74² =

Answer key

  1. 225
  2. 2304
  3. 7225
  4. 3721
  5. 1936
  6. 169
  7. 441
  8. 324
  9. 2025
  10. 2601
  11. 9604
  12. 2704
  13. 3364
  14. 2304
  15. 3721
  16. 784
  17. 6561
  18. 6889
  19. 9216
  20. 1225
  21. 1681
  22. 7396
  23. 4356
  24. 8281
  25. 7569
  26. 5476
  27. 1681
  28. 2809
  29. 9025
  30. 441
  31. 361
  32. 2025
  33. 484
  34. 1156
  35. 7056
  36. 8281
  37. 441
  38. 256
  39. 3721
  40. 5476

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