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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 621 · 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. 1.66² =
  2. 2.22² =
  3. 3.26² =
  4. 4.66² =
  5. 5.91² =
  6. 6.61² =
  7. 7.95² =
  8. 8.61² =
  9. 9.61² =
  10. 10.79² =
  11. 11.64² =
  12. 12.84² =
  13. 13.82² =
  14. 14.96² =
  15. 15.81² =
  16. 16.19² =
  17. 17.46² =
  18. 18.63² =
  19. 19.28² =
  20. 20.44² =
  21. 21.88² =
  22. 22.83² =
  23. 23.27² =
  24. 24.55² =
  25. 25.45² =
  26. 26.41² =
  27. 27.95² =
  28. 28.38² =
  29. 29.11² =
  30. 30.93² =
  31. 31.89² =
  32. 32.94² =
  33. 33.32² =
  34. 34.42² =
  35. 35.53² =
  36. 36.41² =
  37. 37.21² =
  38. 38.63² =
  39. 39.62² =
  40. 40.47² =

Answer key

  1. 4356
  2. 484
  3. 676
  4. 4356
  5. 8281
  6. 3721
  7. 9025
  8. 3721
  9. 3721
  10. 6241
  11. 4096
  12. 7056
  13. 6724
  14. 9216
  15. 6561
  16. 361
  17. 2116
  18. 3969
  19. 784
  20. 1936
  21. 7744
  22. 6889
  23. 729
  24. 3025
  25. 2025
  26. 1681
  27. 9025
  28. 1444
  29. 121
  30. 8649
  31. 7921
  32. 8836
  33. 1024
  34. 1764
  35. 2809
  36. 1681
  37. 441
  38. 3969
  39. 3844
  40. 2209

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