Angles in a triangle

Ignite curiosity and deepen understanding in your geometry lessons with this engaging 9-slide PowerPoint presentation, perfectly aligned with the KS3 National Curriculum. Begin with an interactive activity that allows students to discover for themselves how the angles in a triangle always add up to 180 degrees. Follow up with clear examples and step-by-step calculations that demystify finding unknown angles in triangles. This resource is designed to not only teach the core concept but to also inspire critical thinking and active learning. Ideal for teachers who want to make geometry lessons more interactive, memorable, and enjoyable while ensuring students build a strong foundation in mathematical reasoning.