Lesson Details


  • Name: Angles in a Triangle 1
  • Code: M.3.7.ANB.5
  • Specification Reference: G3
  • Keywords: Triangle, total, missing, subtract, add, remaining, degrees.
  • Objectives: Investigate the total angles inside a triangle.
  • Competency: Investigate the total angles inside a triangle.
  • Proficiency: To thus be able to find missing angles in basic triangles.
  • Mastery: To apply this to solving problems involving straight lines and points.

Lesson Preview


Loading lesson thumbs...

Uteach Lessons Logo

We seek to enable teachers to invest a greater proportion of their energy in delivering engaging classroom experiences, and to secure a more reasonable #worklifebalance.

North Caldeen Rd, Coatbridge, ML5 4EF, Scotland, UK

+44 (0) 1236 442380