<p>A very good book for all of you who are interested in the issues discussed in this thread to read is </p>
<p>Knowing and Teaching Elementary Mathematics: Teachers’ Understanding of Fundamental Mathematics in China and the United States by Liping Ma </p>
<p>[Amazon.com:</a> Knowing and Teaching Elementary Mathematics: Teachers’ Understanding of Fundamental Mathematics in China and the United States (Studies in Mathematical Thinking and Learning.): Liping Ma: Books](<a href=“http://www.amazon.com/Knowing-Teaching-Elementary-Mathematics-Understanding/dp/0805829091/]Amazon.com:”>http://www.amazon.com/Knowing-Teaching-Elementary-Mathematics-Understanding/dp/0805829091/) </p>
<p>It’s a very thought-provoking book, sure to be interesting reading to anyone who cares about good education.</p>