It has become increasingly recognized that what teachers and students value affect teaching and learning in general and in the area of mathematics in particular. Yet, the extent to which this is so varies across cultural regions. In recent years, how the ethnic Chinese teach and learn mathematics has attracted much attention worldwide. It is…

Corpus linguistics has transformed linguistic research but has a slightly moderate impact on the ESL teaching and learning. The Wikipedia Corpus, designed by Mark Davis is introduced in this essay. The corpus allows teachers to search Wikipedia in a powerful way: they can search by word, phrase, part of speech, and synonyms. Teachers can also find…

This study investigated the effect of teacher codeswitching on second language (L2) vocabulary acquisition during listening comprehension activities in a lexical Focus-on-Form context. To date there has been research on teacher beliefs about first language (L1) use, its functions and its distribution in the interaction, but little on its effect on…