seb-studies: a marching band meme AND a math meme? i had to reblog (this is probably a way old post
seb-studies: a marching band meme AND a math meme? i had to reblog (this is probably a way old post but the sets/logic units in 10th grade math let me get 100% on the first 4 tests of the year, aka when my math ability peaked) way old indeed, but gold -- source link