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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 550 · 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. 1.98² =
  2. 2.64² =
  3. 3.18² =
  4. 4.24² =
  5. 5.19² =
  6. 6.29² =
  7. 7.96² =
  8. 8.15² =
  9. 9.89² =
  10. 10.55² =
  11. 11.21² =
  12. 12.23² =
  13. 13.16² =
  14. 14.57² =
  15. 15.92² =
  16. 16.89² =
  17. 17.78² =
  18. 18.68² =
  19. 19.76² =
  20. 20.32² =
  21. 21.43² =
  22. 22.21² =
  23. 23.94² =
  24. 24.46² =
  25. 25.74² =
  26. 26.75² =
  27. 27.69² =
  28. 28.33² =
  29. 29.27² =
  30. 30.98² =
  31. 31.53² =
  32. 32.43² =
  33. 33.11² =
  34. 34.95² =
  35. 35.12² =
  36. 36.62² =
  37. 37.42² =
  38. 38.44² =
  39. 39.76² =
  40. 40.33² =

Answer key

  1. 9604
  2. 4096
  3. 324
  4. 576
  5. 361
  6. 841
  7. 9216
  8. 225
  9. 7921
  10. 3025
  11. 441
  12. 529
  13. 256
  14. 3249
  15. 8464
  16. 7921
  17. 6084
  18. 4624
  19. 5776
  20. 1024
  21. 1849
  22. 441
  23. 8836
  24. 2116
  25. 5476
  26. 5625
  27. 4761
  28. 1089
  29. 729
  30. 9604
  31. 2809
  32. 1849
  33. 121
  34. 9025
  35. 144
  36. 3844
  37. 1764
  38. 1936
  39. 5776
  40. 1089

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