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Math Games, Puzzles, and Brain Teasers

Games

Calcrostic^© of the Day

ab - bc =  d
 - ×  × ×  ×
ef /  b =  d
 = =  = =  =
ef + cd = fc

 80 -   64 =   16
  × ×    × ×    ×
  5 ×   25 =  125
  = =    = =    =
400 + 1600 = 2000

Total number of plays of all games: 11,954,410