Reflection: Shared Expectations Dueling Data - Section 3: Exploration


When students make mistakes in front of the class I like to make sure that I or another student points out some part of the math or the thinking that is correct. I also might ask how many people started out thinking the same thing and what changed their mind. I also like to ask a follow up question and give the student(s) who made the mistake first crack at it, like "how could we change the statement so that it would be true?"

Having students come up and write their thinking on the board gives the class something to examine. After the student has gone back to their desk we can focus on critiquing the math and not the person who made the mistake. Asking several questions about mistakes and really inspecting them sends the message that we will take the time to learn from mistakes rather than just hurry up and correct it. 

I also think it is important to acknowledge the tricky parts.

  • "Hailey has uncovered the really tricky part about this problem"
  • "what is it that is confusing about this one?"
  • "How can we use what Madison told us about 3 tenths to help us think about 3%?"

Focusing on the struggle makes the mistake understandable and excusable as well as an opportunity to learn more.

  Shared Expectations: Responding to mistakes
Loading resource...

Dueling Data

Unit 7: Percent proportions
Lesson 4 of 16

Objective: SWBAT critique the accuracy of a claim using ratio and percent.

Big Idea: Students will use mathematical evidence and context clues to compare ratios and percents.

  Print Lesson
Add this lesson to your favorites
Math, Number Sense and Operations, evidence, percent, critique, ratios, argumentation, Group activity, survey data, pattern
  54 minutes
evaluating evidence
Similar Lessons
Describing Ratios
6th Grade Math » Rates and Ratios
Big Idea: A ratio expresses a relationship where for every x units of one quantity there are y units of another quantity.
New Haven, CT
Environment: Urban
Carla Seeger
Introduction to Ratios
6th Grade Math » Proportional Reasoning: Ratios and Rates
Big Idea: What is a ratio? How can we create equivalent ratios? Students work to express and extend relationships using ratios.
Somerville, MA
Environment: Urban
Andrea Palmer
Writing Ratios
6th Grade Math » Equivalent Ratios
Big Idea: What are the different ways we can write ratios?
Brooklyn, NY
Environment: Urban
Ursula Lovings
Something went wrong. See details for more info
Nothing to upload