Se, depois de aberta, os retângulos que dividem a folha tiverem área igual a 5 cm², então o número de vezes que a folha foi dobrada é inferior a 5.

Ao abrir a folha de papel, depois de dobrá-la por 8 vezes, as marcas das dobras dividem a folha em 256 retângulos de mesma área.

“those” (l.13) refers to “contexts” (l.13).

“readily” (l.14) is synonymous with promptly.

“much” (l.1) can be replaced by many.

a foreign language environment is that one found by a Brazilian learning English in the USA.

English learned in Australia can be considered a foreign language.

if you are English and you are learning Portuguese in Brazil, Portuguese will be a second language for you.

a second language is that one you learn in a foreign country where this language is the native language.

even when we are preparing our curriculum or a lesson, the difference between a second and a foreign language is not relevant.