We're now just past the midpoint of astronomical winter — that moment marking the midway point between December's winter solstice and March's vernal equinox. That moment took place at 4:11 p.m.

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. Look for ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to ...