A new client recently told me that he felt the meeting he had just attended was a waste of time. The problem was that it was his meeting. He had invited the attendees, set the agenda, and led the ...

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

This study examined Korean second and third graders' understanding of multidigit addition and subtraction and particularly their ability to explain the trading required when a column sum of the ...