At one time or another, most parents wonder how their child is stacking up
in school. Part of answering that is knowing when kids should learn to read,
write, and do different kinds of math?
Ross A. Thompson, PhD, professor of psychology at the University of
California at Davis tells WebMD there is a wide range of normal variation in
many areas for young children. This can make it difficult, he says, to tell if
a delay is really a problem. Thompson also says that measuring children against