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Math Memos
Conditions of Use:
Remix and Share
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MathMemos is a teacher space where adult educators share rich math problems, samples of student work, and practical suggestions for bringing the problems to life in the classroom. All math problems are:

(1) Open-ended, meaning that it might have more than one answer or there may be multiple solution pathways to solve the problem.

(2) The prompt does not clearly direct the students towards a procedural pathway in solving the problem.

(3) Students should be able to struggle productively with the problem for an extended period of time: they are student driven.

The problems include and integrate a wide range of math content and topics such as: Algebra, Geometry, Functions, Number & Quantity, and Statistics & Probability. You can also search for specific topics (fractions, systems of equations, equality) or problem solving strategies (guess & check, charts & tables, visual strategies, manipulatives).

The resources is designed so that teachers can be thoroughly connected to a problem before taking it into the classroom, by solving it themselves and looking at samples of student work that other teachers have posted online. Then, teachers are encouraged to reflect on how the problem played out in their own classroom and post their reflections.

This collection is an ongoing project with new problems being added as teachers submit new write-ups.

A PD Module is available for Professional Developers.

MathMemos was created by Tyler Holzer with a grant from the New York State Education Department Office of Adult Career and Continuing Education Services.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
CollectEdNY
Author:
Celia Volbrecht
Chris Giorgio
Danielle Fridstrom
Daphne Carter McKnight
Eric Appleton
Patricia Helmuth
Randy Raux
Todd Orelli
Tyler Holzer
Date Added:
09/21/2017
What Do You Notice? What Do You Wonder?
Conditions of Use:
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This is a powerful way to launch multiple types of lessons that is student-centered and spans all educational levels. It starts with two simple questions that you ask students as you show them a video, image, math situation, or just about anything you can think of that's visual. It serves as a formative assessment in that it helps teachers to understand what students already know and what they wonder about what they are seeing. This is a non-intimidating way for students to begin a lesson as there are no wrong answers: only observations and questions: that students take ownership of. This resource contains an overview of notice/wonder and a step-by-step guide for teachers. Be sure to watch the short video that's included in this resource!

Subject:
Career and Technical Education
Algebra
Functions
Geometry
Measurement and Data
Numbers and Operations
Ratios and Proportions
Material Type:
Teaching/Learning Strategy
Provider:
CollectEdNY
Author:
Mark Trushkowsky
Date Added:
09/06/2016
A Window into International Education and Problem-Solving in the Mathematics Classroom
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This resource contains an analysis of a classroom video produced by The Third International Mathematics and Science Study (TIMSS) 1999 Video Study which was conducted in order to gain insight into achievement differences between students in the United States and other countries. The video provides a compelling example of how math instruction can use elements of problem-posing and carefully selected scaffolding to guide effective math instruction in a way so that student learning goals are achieved by designing a lesson that builds on student's prior knowledge and shared approaches to problem solving. The analysis includes a description of the specific problem that is the focus of the video, which models how a teacher can strategically scaffold a lesson so as to build students conceptual understanding of mathematics within a real-life context, to the point where they come to understand the usefulness of the inequality symbol by comparing inequalities in algebraic equations.

Subject:
Algebra
Material Type:
Case Study
Provider:
CollectEdNY
Author:
Eric Appleton
Date Added:
04/27/2015