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Understanding Geometry Transformations from Grade 1 to Grade 6: Key Concepts and Activities

This session aims to familiarize participants with geometry standards from Grade 1 to Grade 6, focusing on key concepts of transformations: reflection, rotation, and translation. By the end, attendees will grasp essential elements of geometry and engage with various problem-solving activities involving shapes, spaces, and constructions. Specific topics include the visualization of tetrahedrons, their edges, face colors, and the impact of reflections and rotations on shape congruence. Experience hands-on activities to deepen your understanding of these fundamental geometric principles.

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Understanding Geometry Transformations from Grade 1 to Grade 6: Key Concepts and Activities

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    2. Objectives By the end of this session you will: be familiar with the standards for geometry from Grade 1 to Grade 6 understand the key elements of transformations be familiar with a range of problem-solving activities involving shape, space and constructions

    3. Geometry

    4. Visualising 1

    5. Visualising 2

    6. Visualising – tetrahedron How many edges are there? How many edges separate two faces of different colours? How many edges separate two faces of the same colour? What are the colours of the faces that meet at each vertex? Imagine placing the shape on a surface. What colours can be seen? What colour is hidden?

    7. Reflection When an object is reflected in a mirror, the image is: congruent to the original (the same size and shape) reversed the same distance behind the mirror as the object is in front The mirror is usually represented by a straight line (the mirror line) The mirror line is double-sided, reflecting objects both ways

    8. Reflection

    9. Rotation The shape and size of the object remain constant during the rotation and the image is congruent to the original Every rotation has associated with it: a centre of rotation (the point around which the object turns) the angle of rotation (the angle through which it turns) the direction of rotation (whether the rotation is clockwise or anticlockwise)

    10. Translation

    11. Translation When an object is translated, the image is congruent to the original (the same shape and size) The orientation stays the same

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