Lesson 10. Sorting 2-D and 3-D Shapes
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Recap of previous lesson: Practical measurement of length and mass.
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Quick quiz: Demonstrating understanding of measurement techniques.
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Learning Objective: Sort 2-D and 3-D shapes using properties including lines of symmetry, length, right angles, angles including in rectangles and triangles.
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Introduction to 2-D shapes: Polygons and their properties.
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Discussion: Identifying vertices, edges, and faces of 3-D shapes.
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Modelling: Sorting various 2-D shapes based on the number of sides/angles.
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Practice: Sorting a collection of 2-D shapes into groups.
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Introduction to lines of symmetry: What they are and how to find them.
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Modelling: Identifying lines of symmetry in common 2-D shapes (e.g., square, rectangle, circle).
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Practice: Drawing lines of symmetry on given shapes.
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Introduction to different types of triangles: acute, obtuse, right-angled, scalene, isosceles, equilateral.
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Activity: Classifying different triangles based on their angles and side lengths.
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Discussion: Recognising right angles in shapes and the environment.
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Check for understanding: ‘Which shape am I?’ description game.
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