![]() ![]() ![]() Rhombus: A quadrilateral with both pairs or opposite sides parallel and all sides equal length. Right-angled triangle: A triangle that has a right angle. Scalene triangle: A triangle with 3 sides that are all unequal. Isosceles triangle: A triangle with 2 equal sides. illustrate and name parts of circles, including radius, diameter and circumference, and know that diameter is twice the radiusĮquilateral triangle: A triangle with 3 equal sides and 3 equal angles.find unknown angles in triangles, quadrilaterals and regular polygons.recognise, describe and build simple 3D shapes, including making nets.draw 2D shapes using given dimensions and angles.classify 2D and 3D shapes by talking about parallel and perpendicular edges and faces.distinguish between regular and irregular polygons.find missing lengths and angles of rectangles.estimate and compare acute, obtuse and reflex angles.identify 3D shapes from 2D representations.identify lines of symmetry in 2D shapes.identify acute and obtuse angles and compare and order angles.compare quadrilaterals and triangles, based on their properties and sizes.identify horizontal and vertical lines and pairs of perpendicular and parallel lines.identify right angles and know that two make a half-turn, three make a three-quarter turn and four a complete turn.understand that a right angle is a quarter turn and know whether the turn is clockwise or anti-clockwise.compare and sort common 2D and 3D shapes.identify 2D shapes on the surface of 3D shapes.identify and describe 3D shapes, including the number of edges, vertices and faces.identify and describe the properties of 2D shapes, including the symmetry and line symmetry.sort, make and describe common 2D and 3D shapes.3D shapes including cubes, cuboids, pyramids and spheres.2D shapes including rectangles, squares, circle and triangles.In Year 1, children need to be able to recognise and name: Children are expected to be able to name these shapes, and also discuss the properties of these shapes. Teachers will often talk about the fact that 2D shapes are 'flat' and 3D shapes are not. The first thing they need to learn is the difference between 2D and 3D shapes. You may also see them out ahead of cold fronts, in which case they signal the onset of cooler temperatures.Throughout their time at primary school, children will be taught about various 2D (two-dimensional) and 3D (three-dimensional) shapes. They can signal thunderstorms to come later in the day. (If it's closer to fist-size, it's probably stratocumulus.)Īltocumulus are often spotted on warm and humid mornings, especially during summer. Place your hand up to the sky and in the direction of the cloud if the mound is the size of your thumb, it's altocumulus. Besides altocumulus being higher up in the sky, another way to tell them apart is by the size of their individual cloud mounds. Telling Altocumulus and Stratocumulus ApartĪltocumulus and stratocumulus are often mistaken. They look like the wool of sheep or scales of mackerel fish-hence their nicknames "sheep backs" and "mackerel skies." You'll recognize them as white or gray patches that dot the sky in large, rounded masses or clouds that are aligned in parallel bands. Altocumulus clouds are the most common clouds in the middle atmosphere. ![]()
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