Grade 7 ยท Mathematics Video Lesson

Write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships Video Lesson

Curriculum-aligned Grade 7 Mathematics lesson video for Write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships. Use it for classroom preview, instruction support, or home review.

About This Video

Curriculum-aligned Grade 7 Mathematics lesson video for Write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships. Use it for classroom preview, instruction support, or home review.

This watch page is dedicated to the video. For the complete text lesson plan, activities, standards alignment, and answer guides, use the companion lesson page: Write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships lesson plan.

Video Learning Notes

In this lesson, students learned that the sum of the angles in any triangle is always 180 degrees and that angle relationships such as complementary, supplementary, and vertical angles can be expressed as algebraic equations. They practiced writing and solving one-variable equations based on these geometric concepts and applied their understanding to solve real-world problems. This connects geometry and algebra, helping students develop skills in both areas.

Learning Goals

  • Write equations that represent the sum of the angles in a triangle.
  • Write equations that represent angle relationships such as complementary, supplementary, and vertical angles.
  • Solve one-variable equations derived from geometric angle relationships.
  • Explain the reasoning and strategies used to write and solve these equations.
  • Apply these concepts to solve real-world problems involving angle measures.

Curriculum Context

Grade: Grade 7

Subject: Mathematics

Curriculum: TEKS