Cutting triangles 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Further Resources This task is about working out what a sheet of paper will look like when it is folded and has shapes cut from it. Question a) A sheet of paper is folded in half and the corner is cut off. What will the sheet look like when it is unfolded? Question b) A sheet of paper is folded in half and two triangles are cut out as shown. What will the sheet look like when it is unfolded? Task administration: This task can be completed with pencil and paper or online with auto-marking. Copyright: Copyright: NZCER Level: 3 Curriculum info: Maths, Geometry and Measurement, Transformation Keywords: symmetry, line symmetry, reflection, transformations, visualisation Description of task: Students identify what a sheet of paper will look like when it is folded and has shapes cut from it. Learning Progression FrameworksThis resource can provide evidence of learning associated with Geometric thinking, sets 3-4 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y9 (04/1998) a) D easy b) E very easy Reflecting figures Combining triangle reflections Reflecting shapes Matching shapes and transformations Some kind of transformation Folding shapes Transforming patterns IV Transforming frogs Reflecting on words II Drawing lines of symmetry Mirrors and symmetry Symmetrical road signs Finding the line of symmetry Folding and cutting shapes Showing transformations Drawing reflections Designing badges Reflecting and rotating the bird Reflection, rotation and translation II Animal transformations
