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LAR: Yes
Title: Inequalities in Triangles
Url: http://illuminations.nctm.org/Lesson.aspx?id=2339
Publisher: National Council of Teachers of Mathematics
Description: This geometry lesson from Illuminations introduces a hands-on learning activity for students in grades 9-12. The class will use pasta to create models of triangles. They will examine the relationship between sides and angles of triangles. The triangle inequality model will be used to solve geometry problems, and the inequality for sides and angles in a triangle will also be examined. The lesson should require 1 class period to complete.
LC Classification: Science -- Mathematics -- Geometry -- Convex geometry -- Convex sets and geometric inequalities
Science -- Mathematics -- Geometry -- Elementary geometry -- Problems, exercises, examinations
Science -- Mathematics -- Geometry -- Elementary geometry -- Study and teaching. Research
Science -- Mathematics -- Geometry -- Special topics in plane geometry -- Straight lines, angles, triangles, etc.
GEM Subject: Mathematics -- Instructional issues
Mathematics -- Geometry
Key Concept: Mathematics -- Triangles
Mathematics -- Inequalities
Mathematics -- Geometry
Key Concepts Complete: Yes
Resource Type: Demonstrations
Instructional Materials
InteractiveResource (DCMI Type Vocabulary)
Lesson Plans
Mathematical Models
Mathematics Materials
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
pdf
Audience: Secondary Education
Students
Teachers
Language: English
Rights: National Council of Teachers of Mathematics
Access Rights: Free access
Date Of Record Release: 2010-12-07 03:00:02 (W3C-DTF)
Date Last Modified: 2013-12-12 10:25:04 (W3C-DTF)
Source: Scout Staff  Scout Staff
Full Record Views: 54
Resource URL Clicks: 10
Cumulative Rating: NOT YET RATED
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