Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

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Reasoning and ProofSession 04 Overviewtab atab btab ctab dTab eReference
Part E

Evaluating Reasoning and Proof
  Make a Lesson Plan | Summing Up the Session | Final Journal


An effective lesson that focuses on reasoning and proof should include several stages. In the lessons you viewed, you saw the teacher introduce a rich task, by relating it to students' everyday-life experiences and to already-understood mathematics. Once the task was presented to the class, the students went to work -- with a partner, in groups, or individually. Students were encouraged to make observations, develop conjectures, and share their reasoning, both for specific solutions and for their choice of a solution method. The teacher's coaching and support through carefully constructed questions helped move the students forward without telling them what to do.

Use the information you learned in this session to plan a lesson for one of your classes. Remember, students have most success with tasks that build on a known concept and that involve patterns that may be seen through numbers as well as geometric diagrams. Choose carefully what you ask students to justify -- the solution, the choice of method, or both. As you work, think ahead to questions and statements that you might use with students who have difficulty beginning the assignment.

Use a problem you teach in your subject area, or select one of the samples from the Learning Math courses.

After you have created your lesson plan, use the Classroom Checklist (an Adobe PDF document) to evaluate it.

Next  Finish the session

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