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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 106 · 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. 1.18² =
  2. 2.38² =
  3. 3.43² =
  4. 4.91² =
  5. 5.46² =
  6. 6.21² =
  7. 7.41² =
  8. 8.25² =
  9. 9.85² =
  10. 10.81² =
  11. 11.82² =
  12. 12.89² =
  13. 13.71² =
  14. 14.16² =
  15. 15.61² =
  16. 16.36² =
  17. 17.27² =
  18. 18.65² =
  19. 19.57² =
  20. 20.45² =
  21. 21.67² =
  22. 22.23² =
  23. 23.74² =
  24. 24.53² =
  25. 25.21² =
  26. 26.66² =
  27. 27.47² =
  28. 28.97² =
  29. 29.48² =
  30. 30.45² =
  31. 31.92² =
  32. 32.88² =
  33. 33.69² =
  34. 34.48² =
  35. 35.55² =
  36. 36.71² =
  37. 37.81² =
  38. 38.85² =
  39. 39.34² =
  40. 40.26² =

Answer key

  1. 324
  2. 1444
  3. 1849
  4. 8281
  5. 2116
  6. 441
  7. 1681
  8. 625
  9. 7225
  10. 6561
  11. 6724
  12. 7921
  13. 5041
  14. 256
  15. 3721
  16. 1296
  17. 729
  18. 4225
  19. 3249
  20. 2025
  21. 4489
  22. 529
  23. 5476
  24. 2809
  25. 441
  26. 4356
  27. 2209
  28. 9409
  29. 2304
  30. 2025
  31. 8464
  32. 7744
  33. 4761
  34. 2304
  35. 3025
  36. 5041
  37. 6561
  38. 7225
  39. 1156
  40. 676

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