They fall into two categories: frequently used words and non-phonetic words. Sight words typically include between 100 and 300 words children memorize and become familiar with in order to read and write. To help kids prepare for reading readiness, many kindergarten classes teach sight words.
While every child develops an interest in reading at their own pace, it most often happens between the ages of 4 and 7. 3 Letter Basic Sight Words | Basic English Reading | Kindergarten