Reflection: Discourse and Questioning Finals Week Day 1 - Section 5: Brainstorming in Partners


Before students started brainstorming in partners, I asked the class, “Based on the information I just gave you, which drink do you predict will have the highest caffeine concentration?”  I called on the drinks and had students raise their hand for their prediction.  About half of the students in each class said the Starbucks coffee and the other half said 5 hour energy.  I asked one person from each group to explain their thinking.  The Starbucks students said that they thought the coffee would have the highest caffeine concentration because it had the most milligrams of caffeine of all of the drinks.  The 5 hour energy students said that they thought it had the higher concentration of caffeine since it had so much caffeine in such a small number of ounces.  I then asked students, “Why can’t we tell which drink has the highest concentration of caffeine right now?”  I wanted students to say that we couldn’t compare the caffeine concentration since each drink had a different amount of milligrams of caffeine and a different amount of ounces.

  Student Predictions
  Discourse and Questioning: Student Predictions
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Finals Week Day 1

Unit 5: Proportional Reasoning: Ratios and Rates
Lesson 18 of 21

Objective: SWBAT: • Define rate and give examples of how they can use rates. • Describe the problem posed in “Finals Week” and identify the needed information. • Brainstorm ideas of how to solve the problem. • Use a strategy to solve the problem and show their math thinking. • Use peer feedback to revise their solution and work.

Big Idea: Which drink has the strongest caffeine concentration? How will you figure out this problem? What information do you need to figure this out? Students work on this problem for the first of two lessons.

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Math, Number Sense and Operations, proportions, Fractions, 6th grade, ratios, master teacher project, rate
  60 minutes
unit 5 finals week image
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