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, visualising 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 Matching shapes and transformations Reflecting shapes Folding shapes Some kind of transformation Transforming frogs Transforming patterns IV Drawing lines of symmetry Reflecting on words II Mirrors and symmetry Symmetrical road signs Finding the line of symmetry Folding and cutting shapes Showing transformations Drawing reflections Reflecting and rotating the bird Designing badges Reflection, rotation and translation II Animal transformations
