8th Grade Math
(14 Units, 152 Lessons)
Unit 5 - Lines, Angles, and Algebraic Reasoning(16 Lessons)
Developing Right and Straight Angle Intuition8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Introduce and explore the connections between supplementary and complementary angles using algebra.
Create Problems with Right and Straight angles8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students complete a mini-project creating problems involving angles for their classmates to solve.
Why Are Vertical Angles Equal?8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Give students a chance to prove that all vertical angles are equal.
Create Vertical Angle Problems8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Give students a chance to create problems around the concept of vertical angles.
Developing Transversal Intuition8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students get a change to make informal arguments about angles and explain why and when angles will be equal when they are cut by a transversal.
Create Transversal Problems8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students get a chance to create a challenging problem around transversals and revisit linear functions.
Why Do Triangles Have 180 Degrees?8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students realize that triangles are the basis for defining all angle measure.
Walking Around a Triangle8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:In this investigation we open with AA criterion for triangles and help students discover that the exterior angles of a triangle (and any polygon) must always add to 360.
Defining Key Angle Relationships8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:We should let students observe the relationships between different types of angles and develop their intuition.
Triangle Sum Theorem Proof8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:When given the opportunity to connect their knowledge about lines and angles, students can deduce an important theorem.
Angles and Algebra8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Using algebraic expressions for angles reinforces student understanding of basic algebra tools.
Super Practice with Angle Values8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students can use targeted practice to identify misconceptions and grow in mathematics.
Super Practice with Angle Values - Feedback session8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students need directed feedback to help understand the content they are learning in class.
Super Practice with Angles and Algebra8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students can only master a topic if they are given the opportunities needed to practice the topic.
Super Practice with Angles and Algebra - Feedback Session8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Students can better understand a topic when they compare strategies and learn from each other's ideas.
My Little Transversal: A multi-day project lesson8th Grade Math» Unit:Lines, Angles, and Algebraic Reasoning
8th Grade Math
» Unit:
Lines, Angles, and Algebraic Reasoning
Big Idea:Looking for a direct or an abstract connection to a concept can bring math content to life.
