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Angle Relationships and Geometric Reasoning

6th Grade · Math · Open Global Math

10 lessons

Goal

Identify, classify, and calculate unknown angle measures using complementary, supplementary, vertical, adjacent, and intersecting line relationships with algebraic equations.

10 lessons
0 of 10 done
  1. Identifying Adjacent and Non-Adjacent AnglesUp next
  2. Complementary Angles and Right Angle DecompositionsNot started yet
  3. Supplementary Angles and Linear PairsNot started yet
  4. Vertically Opposite Angles at Intersecting LinesNot started yet
  5. Angles Meeting at a Point Sum to 360 DegreesNot started yet
  6. Solving One-Step Linear Equations for Unknown AnglesNot started yet
  7. Solving Multi-Step Equations with Angle PairsYou are here
  8. Parallel Lines Cut by a Transversal: Corresponding AnglesNot started yet
  9. Using Transversal Angle Relationships to Find Missing AnglesNot started yet
  10. Multi-Step Geometric Deductions with Intersecting LinesNot started yet
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Learning standards covered

GlobalOGM.7.GEO.6Open Global Math Standards 2026™ · 6th Grade

Classify and investigate geometric relationships of angles (complementary, supplementary, adjacent, vertically opposite, angles at a point, and angles on a straight line); find unknown angles algebraically and geometric reasoning.