Reflection: Modeling Revisiting the Mole - Section 3: Mini-lesson and Guided Practice


The Think Aloud is a strategy I use sometimes to model how to think about our work. It allows me to model the internal dialogue that I have when performing a task. For example, when wondering how many moles are contained in 6 grams of CaCO3 I would talk about how I need to use the periodic table, and how I need to look up each elements mass. I could stumble a bit by not multiplying the molar mass of oxygen by 3. I could use a calculator and talk through adding up the molar masses for each element.

The Think Aloud is a great strategy because it models how I want students to think. While there are many different ways to think about problems, by showing students how I think it shows them that sometimes thinking is not a linear path; I may make a mistake, get distracted, get confused, but I keep circling back to my objective when this happens.

  Think Aloud
  Modeling: Think Aloud
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Revisiting the Mole

Unit 6: Reaction Rates
Lesson 4 of 8

Objective: Students will be able to convert grams to moles and calculate moles using the molarity formula.

Big Idea: Understanding how to use the mole is a key part of understanding stoichiometry and applying it to solutions.

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