Our fluency matrix resources are designed to challenge your children by giving them questions that become increasingly more difficult as the questions progress. Use this Year 4 Calculate Perimeter of Irregular Polygons Fluency Matrix to make sure your children know everything they need to about the perimeter of polygons! With a range of fluency questions, there's something that everyone in your class can access!

An answer page has been included to make your marking as simple as possible. Download today to try it out.