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3.G.1 – Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.
Samples: Identifying shapes based on attributes. Identifying types of lines. Studying the Names of 2D Shapes.
4.G.1 – Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
Samples: Parallel and perpendicular lines in shapes. Identifying types of lines. Identifying angles at intersecting lines.
4.G.2 – Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
Samples: Angles in the environment. Comparing angles to a right angle. Parallel and perpendicular lines in shapes.
You can go to an overview of all the curricula here.
4.GM.2 – Sort objects and two- and three-dimensional shapes by two features simultaneously
Samples: Angles in the environment. Identifying shapes based on attributes. Learning the names of two-dimensional shapes.
5.GM.2 – Sort two- and three-dimensional shapes, considering the presence and/or absence of features simultaneously and justifying the decisions made
Samples: Parallel and perpendicular lines in shapes. Identifying types of lines. Studying the Names of 2D Shapes.
KS2.Y3.G.PS – Geometry - properties of shapes
Pupils should be taught to:
KS2.Y3.G.PS.4 – Identify horizontal and vertical lines and pairs of perpendicular and parallel lines
Samples: Parallel and perpendicular lines in shapes. Identifying types of lines. Interpret simple grid maps: Activity 1.