Example sort: Convex or Concave - Section 3: The Four Triangle Problem

  Example sort: Convex or Concave
Loading resource...

Four Triangles

Unit 1: Creating Classroom Culture to Develop the Math Practices
Lesson 2 of 6

Objective: Students will be able to determine the number of figures that satisfy the Four Triangle problem and sort their figures given a particular criterion.

Big Idea: Students will engage in a hands-on activity through which they will be introduced to the notion of proof by exhaustion as well as one of the big ideas of geometry: classifying and differentiating.

  Print Lesson
12 teachers like this lesson
four triangles li 2
Similar Lessons
Triangle Construction Site
Geometry » Triangles and Congruence
Big Idea: Students use an online simulation to build triangles from sets of parts and discover minimum conditions for proving triangles congruent.
Ault, CO
Environment: Rural
Tom Chandler
Dilation Nation
Geometry » Transformers and Transformations
Big Idea: Students will review transformations using a brain pop and learn how to geometrically enlarge and shrink shapes.
Saratoga Springs, NY
Environment: Suburban
Stephanie Conklin
Rotations in the Coordinate Plane
8th Grade Math » Transformations
Big Idea: Transition students from using tracing paper to perform rotations into using coordinates and realizing the pattern of rotating in multiples of 90 degrees about the origin.
Bowling Green, KY
Environment: Suburban
Christa  Lemily
Something went wrong. See details for more info
Nothing to upload