Formative Assessment Lessons (beta)
Read more about the purpose of the MAP Classroom Challenges… Mathematical goals This lesson unit is intended to help students to: Add and subtract directed numbers (positive, negative and zero) with understanding.Address common misconceptions about the addition and subtraction of directed numbers.Explain their reasoning using diagrams. Introduction This lesson unit is structured in the following way: Before the lesson, students work individually on an assessment task designed to reveal their current understanding. Materials required Each student will need a mini-whiteboard, pen and eraser, some blank paper and copies of the assessment tasks Directed Numbers and Directed Numbers (Revisited). Time needed 15 minutes before the lesson, a 90-minute lesson and 15 minutes in a subsequent lesson, or for homework. A draft Brief Guide for teachers and administrators (PDF) is now available, and is recommended for anybody using the MAP Classroom Challenges for the first time.