Children read or look at books for a number of different reasons.
We ask children to read and look at books for a number of different reasons. One of the reasons we ask children to read to us is to teach them to read. If that is the activity we are engaged in with the child it is absolutely crucial that the book you are reading together is set at the learning level. The following general rule is suggested by Marie Clay who became famous within the world of education due to her Reading Recovery system. Obviously a few words either way is fine.