Explore modules developed by the Shell Centre for Mathematical Education and aligned with the Common Core.

This channel features formative assessment lessons and instructional videos for mathematics.

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Visit this bank of Classroom Challenge formative assessment lessons, designed to develop 7th grade students' mathematical practices and content knowledge. These Problem Solving Classroom Challenges highlight the problem-solving skills that students need to be successful with their mathematical practice. These Classroom Challenges are aligned to the Common Core standards for mathematics, promote higher-order thinking, and prepare students for the 21st Century.
Estimations and Approximations: The Money Munchers
Lesson: Classroom Challenges
Students make sensible assumptions and estimates in order to model a situation and solve a practical problem.

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