merka's sight words are a comprehensive set of flashcards that cover all the words taught in multiple respected sources, including the Dolch, Fry, and even the Oxford English Dictionary lists of high-frequency words.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
