Watch the video below from BBC Bitesize KS2 Maths which shows the lines of symmetry on a square, triangle, rectangle and circle. A 2D shape is symmetrical if a line can be drawn through it and ...

Understanding different types of angles and that angles in a triangle sum to 180° can be helpful when classifying a triangle. Recognising line symmetry and rotational symmetry will also help.

b. Or “The points can cross the line of symmetry”. c. Students will gain an awareness of the property of equidistant. You might hear them say, “The point on one side of the line is the same distance ...