Star symmetry 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about finding lines of symmetry and order of symmetry. Question Change answer a) Draw in all the lines of symmetry in the star shape. a) Draw in all the lines of symmetry in the star shape. Question 1Change answer b) How many times would the above shape match itself in one complete turn? b) How many times would the above shape match itself in one complete turn? Task administration: This task can be completed with pencil and paper or online. Copyright: Copyright: NZCER Level: 4 Curriculum info: Maths, Geometry and Measurement, Transformation Keywords: symmetry, order of symmetry, rotation, transformations, rotational symmetry Description of task: Students draw lines of symmetry on a five sided star. Learning Progression FrameworksThis resource can provide evidence of learning associated with Geometric thinking, sets 4-5 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y7 (10/1996) Y8 (10/1996) a) difficult - moderate b) 5 difficult moderate Diagnostic and formative information: Common error Likely misconception a) b) 1 line 4 Only the vertical line of symmetry identified. Ignores the final time the shape fits at 360°. How many times? How much of a full turn? Lines of symmetry Finding the angle of rotation
