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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 323 · 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. 1.52² =
  2. 2.71² =
  3. 3.31² =
  4. 4.16² =
  5. 5.61² =
  6. 6.71² =
  7. 7.15² =
  8. 8.53² =
  9. 9.72² =
  10. 10.36² =
  11. 11.76² =
  12. 12.79² =
  13. 13.34² =
  14. 14.21² =
  15. 15.91² =
  16. 16.53² =
  17. 17.46² =
  18. 18.59² =
  19. 19.52² =
  20. 20.22² =
  21. 21.19² =
  22. 22.56² =
  23. 23.56² =
  24. 24.33² =
  25. 25.78² =
  26. 26.68² =
  27. 27.51² =
  28. 28.15² =
  29. 29.19² =
  30. 30.47² =
  31. 31.27² =
  32. 32.82² =
  33. 33.59² =
  34. 34.42² =
  35. 35.41² =
  36. 36.24² =
  37. 37.34² =
  38. 38.83² =
  39. 39.61² =
  40. 40.63² =

Answer key

  1. 2704
  2. 5041
  3. 961
  4. 256
  5. 3721
  6. 5041
  7. 225
  8. 2809
  9. 5184
  10. 1296
  11. 5776
  12. 6241
  13. 1156
  14. 441
  15. 8281
  16. 2809
  17. 2116
  18. 3481
  19. 2704
  20. 484
  21. 361
  22. 3136
  23. 3136
  24. 1089
  25. 6084
  26. 4624
  27. 2601
  28. 225
  29. 361
  30. 2209
  31. 729
  32. 6724
  33. 3481
  34. 1764
  35. 1681
  36. 576
  37. 1156
  38. 6889
  39. 3721
  40. 3969

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