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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 567 · 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. 1.11² =
  2. 2.37² =
  3. 3.38² =
  4. 4.48² =
  5. 5.58² =
  6. 6.79² =
  7. 7.97² =
  8. 8.74² =
  9. 9.56² =
  10. 10.11² =
  11. 11.94² =
  12. 12.58² =
  13. 13.25² =
  14. 14.47² =
  15. 15.22² =
  16. 16.71² =
  17. 17.19² =
  18. 18.44² =
  19. 19.55² =
  20. 20.21² =
  21. 21.72² =
  22. 22.62² =
  23. 23.26² =
  24. 24.81² =
  25. 25.68² =
  26. 26.28² =
  27. 27.27² =
  28. 28.28² =
  29. 29.41² =
  30. 30.69² =
  31. 31.48² =
  32. 32.68² =
  33. 33.45² =
  34. 34.58² =
  35. 35.64² =
  36. 36.11² =
  37. 37.11² =
  38. 38.51² =
  39. 39.89² =
  40. 40.91² =

Answer key

  1. 121
  2. 1369
  3. 1444
  4. 2304
  5. 3364
  6. 6241
  7. 9409
  8. 5476
  9. 3136
  10. 121
  11. 8836
  12. 3364
  13. 625
  14. 2209
  15. 484
  16. 5041
  17. 361
  18. 1936
  19. 3025
  20. 441
  21. 5184
  22. 3844
  23. 676
  24. 6561
  25. 4624
  26. 784
  27. 729
  28. 784
  29. 1681
  30. 4761
  31. 2304
  32. 4624
  33. 2025
  34. 3364
  35. 4096
  36. 121
  37. 121
  38. 2601
  39. 7921
  40. 8281

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