Triangles on a Lattice

In this activity, students will use a 3x3 square lattice to study transformations of triangles whose vertices are part of the lattice. The tasks include determining whether two triangles are congruent, which transformations connect two congruent triangles, and the number of non-congruent triangles (with vertices on the lattice) that are possible.

Resource ID#: 10037 Type: Lesson Plan

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General Information

Subject(s): Mathematics

Grade Level(s): 7, 8

Intended Audience: Educators

Suggested Technology: Microsoft Office

Instructional Time: 2 Hour(s)

Resource supports reading in content area:Yes
Freely Available: Yes

Keywords: lattice, triangles, translation, reflection, rotation, counting, congruence, transformation

Instructional Component Type(s): Lesson Plan, Worksheet, Problem-Solving Task

Resource Collection: iCPALMS

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