Answer:
Phonetic method
Explanation:
The phonetic approach refers to an education method of reading based on learning the alphabet of the language and their related sounds. The modern phonetic approach is focused on the abstract comprehension of how a sound is made, and how words are brought into being. It is clearly different from traditional rote learning methods. As per the question, Sarah is using the phonetic method for teaching her students. When phonetically the structure of the word-formation basis is understood by the children, then decoding the new and words would no longer remain a challenge to them.
