![]() ![]() Through an understanding of what makes a shape that shape, the children can start to group shapes with similar properties or characteristics together. A shape with three straight sides and three angles (also referred to as corners or vertices) is always a triangleā¦but as the children get older they will also realise that some triangles have three equal sides (equilateral), some triangles have only two equal sides (isosceles) and some have no equal sides (scalene). Properties of Shapes: 2-D shapes also have properties or characteristics that make them different from other 2-D shapes. So, if looking for 2-D shapes at home, ask the children to examine the flat surface of objects and/or to look at the flat shapes in a picture book or magazine. 2-D shapes can be a bit confusing for both adults and children for example, a real ball is not a 2-D shape, it is a 3-D object called a sphere, but if a ball is drawn, or shown in a picture, then the flat representation of the ball in the image is now a circle! And a box is not a 2-D shape, it is a 3-D object called a cuboid, but the flat surface of a box is usually the 2-D shape of a rectangle or sometimes a square. Also called flat shapes, these include circles, squares, rectangles, triangles etc. shapes with length and width, but not depth/height. Naming shapes: 2-D shapes is short for two dimensional shapes, i.e. This skill will also transfer to other signs and symbols, be they maths symbols such as +, =, etc., or signs and symbols in the real world e.g. Why do children need to learn about shapes? Learning to recognise different shapes not only helps children learn about this maths topic, but, in the early years, it also develops their ability to recognise numbers and letters by their shape. ![]()
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