Reflection: Positive Reinforcement Recognizing proportional relationships in a graph - Section 3: Exploration & Whole group discussion


I set up this lesson with the hope that the students would learn from each other and build on each other's ideas. Since we began yesterday, students have had a lot of time to process their initial reactions which can often be helpful. Today, this worked quite well. As these videos show, the students worked well together:

Because it was working well, I also asked students to explain how they learned from each other, as a way to model the importance of this mathematical practice:

 Some of the 'teacher moves' I find most helpful when trying to help students get ideas from each other are paraphrasing, probing, and tossing a reflective question back to the group. This sends the message that the teacher is not the source of all knowledge and they tend to start listening more to each other.

  Positive Reinforcement: Building on and learning from
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Recognizing proportional relationships in a graph

Unit 6: Proportionality on a graph
Lesson 4 of 10

Objective: SWBAT recognize that a graph that shows a straight line through the origin shows a proportional relationship.

Big Idea: The two criteria for determining if a graph shows a proportional relationship are a straight line that passes through the point (0,0).

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34 teachers like this lesson
Math, Number Sense and Operations, Graphing, pattern, proportional relationships, discovery, ratios, pattern
  54 minutes
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