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3D and 2D Reflections

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Reflections are part of the Geometry strand in Primary Mathematics. Being able to visualise what something looks like along an axis of symmetry is more difficult than you think. Spatial visualisation skills are used frequently in our daily life and we need to practise reflecting or flipping images in a variety of ways. Flips can be in any direction. These zebras are flipped across a horizontal line formed by the waterhole. A vertical flip would create an entirely different picture. How can you encourage your students to flip images both mentally and by using pieces of silver cardboard or a safety mirror?