Amazon.ca:Customer reviews: Orton Gillingham Workbook For Kids With Dyslexia. 100 Orton Gillingham activities to improve writing and reading skills in children with dyslexia. Volume 1. Black & White Edition.
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.