Finding rectangles and triangles 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about finding rectangles and triangles within given shapes. Question 1Change answer a) How many different rectangles of all sizes are there in this figure? Question 1Change answer b) How many different triangles of all sizes are there in this figure? Task administration: This task can be completed with pencil and paper or online (with auto marking displayed to students). Level: 3 Curriculum info: Maths, Geometry and Measurement, Shape Keywords: 2-dimensional shapes, triangles, rectangles Description of task: Students identify similar shapes of all sizes from a given drawing. Answers/responses: Y7 (04/1998) a) 7 or 9 difficult b) 8 moderate Diagnostic and formative information: Student response Likely reason a) b) 4 4 Counts only the small rectangles. Counts only the small triangles. a) 5 Counts the four small and one big rectangle. b) 5 or 6 Misses some of the triangles. Manu shapes Triangle or not? What Shape am I? Square or not? Rectangle or not?
