In the guide for each subject, they provide the opportunity to relate the information learned in one subject to other subjects. An example of this would be that in the language arts guide it talks about learning the alphabet and singing the "alphabet song" with the child each day. He then talks about counting the letters of the alphabet to also strengthen the child's knowledge of mathematics. It correlates the two subjects, so that the pathways that form in their brains have more connections to access information, when