This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3.00, as of 2009-07-25.
Technical Completeness: 3
Content Accuracy: 3
Appropriate Pedagogy: 3
This excellent exercise allows students to use their hands as well as the brains to count the number of triangles they can make of a set of different length rods. Students reach an analytic solution along the way.
Information - How Many Triangles
This is a fun problem that has students investigate how many triangles they can create out of rods of various lengths. Students use the triangle inequality, and look for a pattern in their solutions.
Mathematics > General Mathematics > Applied Mathematics Mathematics > Calculus Mathematics > Equations Mathematics > Estimation Mathematics > Geometry Mathematics > Number Sense & Operations Mathematics > Problem Solving