Saturday, November 27, 2010

Strategy Based Mini-Lesson #2


Explicit Lesson Focus: 
Brainstorming Prior Knowledge, Buehl pg 55-56

Materials: 
·      Graphic Organizer
·      Document camera
·      Promethean board
·      Paper
·      Pencil

DRAW A VENN DIAGRAM WITH MULTIPLES AND FACTORS TO COMPLETE ACTIVITY. (Diagram would not upload to blog, sorry!!)

1.     Identify/Explain:
Why use this strategy?
When would you use this strategy?
           
What: “Today we are going to come up with our words that you think of when we work to find multiples.

Why: This is important because we are comparing Greatest Common Factors (GCF) and Least Common Multiple (LCM) through Venn Diagrams you normally see number differences but I want you to be aware of all the vocabulary and other components that separate the two.

When: We will use this after completing the group project of listing GCF and LCM numbers in Venn Diagrams so you can list all of the words that relate to each topic.”

2.     Model or Demonstrate:
How to use the strategy
I wonder what words we could come up with if we were thinking of Factors. If I put Factors in my middle circle I can also come up with corresponding words like: multiplication, greatest common factor, factor trees, lower numbers, fractions, relating one number with another (ie. 4 is a factor of 24). When I write all of these words out I start thinking of so many other ways that Factors relate to other mathematical components.

3.     Guided Practice: 
Scaffold the use of the strategy
“Together lets see what words and other math components we can come up with when our center word is Multiplication. Raise your hand and tell me what comes to mind when you hear the word Multiplication. ‘Doubling, quick addition, greater numbers, factors, least common multiples’ Those are all great examples, now if we were to explain look in our books for more ideas do you think you could come up with more words? By looking at these words could you explain what you mean to your partner?"

4.     Independent Practice 
Use the strategy
“Now, get out a piece of paper. I want you to try this with your shoulder partner. The topic I want you to find words for is Multiples. There are a lot of words you could come up with. Use your notes and book as a resource if you get stuck. When you and your partner run out of new words, compare with the group sitting across from you and see if they were able to come up with anything other than what you already wrote down. “

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