There are 1000 fry words that a child knows will allow them to read around 90% of words in a book. Fry sight words – This list mainly contains 3RD-grade sight words and sight words for 4th graders besides having sight words for 5th to 9th grade.Top 150 Written Words – The list contains 150 words and is recommended by a Professor from Yale University.Several free Dolch sight words worksheets PDFs can be downloaded as knowing Dolch sight word list makes reading easier. Edward William Dolch, this list has been prepared after reading some children’s books. Dolch sight word list – Prepared by Dr.