Improving Student Problem Solving Through Reasoning & Revision · A Case for Revision The new...
Transcript of Improving Student Problem Solving Through Reasoning & Revision · A Case for Revision The new...
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Improving Student Problem Solving Through Reasoning & Revision
Jessica Murk, Windsor High School Math Teacher February 19, 2015
Sonoma County Leadership Network
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+A Case for Revision
The definition of mathematical proficiency has changed
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+A Case for Revision Previous definition:
CALIFORNIA HIGH SCHOOL EXIT EXAM
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+A Case for Revision New Definition:
SMARTER BALANCED ASSESSMENT CLAIMS
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+A Case for Revision The new expectations for students require new instructional
strategies.
Showing students exactly how to do a problem and then having them practice doing problems of the same type may work for Claim 1, but it will not work for Claims 3 and 4. Those require instructional strategies more like a writing class than a traditional math class.
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+A Case for Revision
The new expectations for students requires new instructional strategies.
One becomes a better writer by writing, getting feedback, and revising.
One does not improve by only writing first drafts.
Math class often is about getting a certain percentage of problems “correct” and then moving on.
Communicating reasoning and mathematical modeling are processes that can always be improved.
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+The Target has Changed!
OLD DEFINITION OF PROFICENCY
NEW DEFINITION OF PROFICENCY
Tools for Reasoning and Revision
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+Overview of Our Time Together
OVE
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REASONING AND EXPLAINING 2. Reason abstractly and quantitatively 3. Construct viable arguments and critique the reasoning of others
MODELING AND USING TOOLS 4. Model with mathematics 5. Use appropriate tools strategically
SEEING STRUCTURE & GENERALIZING 7. Look for and make use of structure 8. Look for and express regularity in repeated reasoning
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+Goals
Big Picture of CCSS Shifts
Some specific strategies to use in your classroom that can help with these shifts
Give your students opportunities to engage in the SMPs using our current curriculum
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+Tools for Reasoning & Revision
Bongard Problems
Developing Definitions
Peer Feedback Template
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Reasoning Revision Tool #1: Bongard Problems
The Problem: Students struggle
with abstract reasoning
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+Reasoning Revision Tool #1: Bongard Problems
Students can test their rules on their own (Agency)
The template allows them to write down their initial thoughts and then revise as they hear other ideas (Attend to precision)
The “puzzle” element lowers fear and anxiety for students (Access/Equity)
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+Bongard Problems
M.M. Bongard (1924 – 1971) was a Russion computer scientist interested in cognition and artificial intelligence. He introduced a set of problems (now called Bongard Problems) in his 1967 book Проблема Узнавания.
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+ Let’s Try One
The goal is to identify a simple rule or property that applies to each of the figures on the left hand side AND none of the figures on the right hand side.
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I would like to add an option for their first draft and then a revised rule.
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+Bongard Problem #94
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+Student Responses
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+Student Responses
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+Student Responses
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+Challenge
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+Let’s Try Another One
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+Revising as a Class: A written record of revision
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+Reasoning Revision Tool #1: Bongard Problems
Students can test their rules on their own (Agency)
The template allows them to write down their initial thoughts and then revise as they hear other ideas (Attend to precision)
The “puzzle” element lowers fear and anxiety for students (Access/Equity)
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Reasoning Revision Tool #2: Developing Definitions
The Problem: Students don’t understand the difference between a “mathematical” definition and a dictionary
definition
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+Reasoning Revision Tool #2: Developing Definitions Access student prior knowledge in an
authentic way (Use of assessment)
They are not blank slates (Access/Identity)
Make connections between what they already know and the more precise, mathematically rigorous definition (Cognitive Demand)
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+Teaching Vocabulary
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+Developing Definitions: Old School
Look terms up in a dictionary
Provide students the formal definition from the textbook through direct instruction
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+Developing Definitions: New School
Asking students what they already know
Making connections between their prior knowledge and more precise, mathematically rigorous definitions
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+Access Prior Knowledge
We know it’s a good idea (research and credential programs tell us so)
But HOW?!?
How can we access a student’s prior knowledge in an authentic way?
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+Geometry Vocabulary
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+Geometry Vocabulary
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+Geometry Vocabulary
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+Geometry Vocabulary
Are these points
collinear? Can we think of the freeway as a segment? Or is it more of a line?
Which towns are
the endpoints
of the freeway?
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+Reasoning Revision Tool #2: Developing Definitions Access student prior knowledge in an
authentic way (Use of assessment)
They are not blank slates (Access/Identity)
Make connections between what they already know and the more precise, mathematically rigorous definition (Cognitive Demand)
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Reasoning Revision Tool #3: Peer Feedback Template
The Problem: Students lack experience in critiquing the
reasoning of others
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+ Reasoning Revision Tool #3: Peer Feedback Template
The authority shifts from teacher to student (Authority)
Developing mathematical definitions and constructing arguments (Mathematics)
Revising their definitions based on feedback (Cognitive demand)
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+Peer Feedback with Revision
Peer Feedback Template
First Draft ≠ Final Draft
Building on the ideas and conjectures that students have about reflections
Goal is to help students move toward a more formal definition, which will ultimately be provided by the teacher
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+ Giving Feedback… A Gentle Reminder Unnatural in a math class
Students have very little experience
Rarely receive this type of feedback in a math class
It takes practice!!!
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+Giving Feedback
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+A Little Help
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+Let’s Try One
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+Peer Feedback: Our Purpose
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+Peer Feedback: Some Suggestions
• Students write their argument individually
• Each argument gets rotated to another table
• Pairs work together on providing feedback to two arguments
• This happens twice • Arguments are returned to
original authors • Students read through
feedback to consider where they might revise their original argument and write a second draft
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+Peer Feedback
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+Student Work – Lizbeth
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+Student Work – Emily
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+Student Work – Nicole
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+ Reasoning Revision Tool #3: Peer Feedback Template
The authority shifts from teacher to student (Authority)
Developing mathematical definitions and constructing arguments (Mathematics)
Revising their definitions based on feedback (Cognitive demand)
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+Tools for Reasoning & Revision
Bongard Problems
Developing Definitions
Peer Feedback Template
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+Thank You!!
Jessica Murk Email: [email protected] Blog: themathymurk.blogspot.com Twitter: @JessicaMurk13