The concentration camp, unnamed, is someplace in Poland.
Mr. Unsward is a teacher that Chaya had and was reminded of while in the concentration camp.
The plan was to run away from the concentration camp, and Shmuel, Hannah, Gitl, and Yitzchak were involved
Europe, Poland Auschwitz
In the book The Devils Arithmetic, the villagers are rounded up and forced into cattle cars to be transported to a concentration camp. They were locked in for four days and nights.
The concentration camp, unnamed, is someplace in Poland.
The plan was for Gitl Shmuel Yitzchak Chaya and unnamed others to escape the concentration camp also the devils arithmetic was each day Chaya was going to stay alive although some other answers do not say that
they did have friends read the devils arithmitic for more info on that subject
Reaction about the movie the devils arithmetic
The plan was not successful; most died. Only Rivka and Yitzchak survived, and eventually they either escaped or were liberated from the camp.
Hannah
it is in halloweeen
Jane Yolen is the writer to the devils arithmetic