Apply the properties of angles in a triangle to calculate unknown angles with this highly engaging maths lesson with differentiated self-marking activities.
By the end of this unit, students will be able to:
learn that the interior angles of a triangle add up to 180 degrees;
use this rule to work out unknown angles in a triangle.
Links to Curriculum
Year 6 Geometry: Properties of shapes
Compare and classify geometric shapes based on their properties and sizes and find unknown angles in any triangles, quadrilaterals, and regular polygons.
