Highlighting Mistakes: A Grading Strategy
Common Core State Standards
Math 
Math 
Practice 
Mathematical Practice Standards 
MP1 
Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, "Does this make sense?" They can understand the approaches of others to solving complex problems and identify correspondences between different approaches. 
Download Common Core State Standards (PDF 1.2 MB) 

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Lesson Objective
Encourage students to learn from mistakes
Length
7 minutes
Questions to Consider
 What does Ms. Alcala mean by "flow through" credit?
 Why does Ms. Alcala review her favorite mistakes instead of the correct answers before passing back the test?
 How does this grading strategy foster a class culture that values risks and learning from mistakes?
Teacher & School Info

Leah Alcala
Supporting Materials

Highlighting Mistakes: A Grading Strategy Transcript
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Teaching Practice Highlighting Mistakes: A Grading Strategy
Grades 612 / Math / Assessment