Smiles

In this online problem-solving challenge, students apply algebraic reasoning to determine the "costs" of individual types of faces from sums of frowns, smiles, and neutral faces. This page provides three pictorial problems involving solving systems of equations along with tips for thinking through the problem, the solution, and other similar problems.

Resource ID#: 4371 Type: Problem-Solving Task

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Direct Link: https://figurethis.nctm.org/challenges/c30/challenge.htm

General Information

Subject(s): Mathematics

Grade Level(s): 6, 7

Intended Audience: Educators , Students , Parents

Suggested Technology: Computer for Presenter, Internet Connection, LCD Projector

Instructional Time: 30 Minute(s)

Keywords: MA.8.A.1.3, models, represent, analyze, solve, systems, linear equations

Instructional Component Type(s): Problem-Solving Task, Teaching Idea

Instructional Design Framework(s): Guided Inquiry (Level 3)

Resource Collection: General Collection

Aligned Standards

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