In Children's Mathematics: Cognitively Guided Instruction, read the introduction, chapter 1, chapter 2, and the section Direct Modeling Strategies in chapter 3 (up to page 18).
Lesson 1: Two ways of looking at addition (JRU and PPW-WU)
Lesson 2: Addition and subtraction as actions (JRU and SRU, including direct modeling)
Lesson 3: Other problem types with distinct direct modeling strategies (JCU, SRU and CDU)
Lesson 4: More about part-part-whole (direct modeling by association; PPW-WU and PPW-PU)
Extra practice: Identify problems by their problem type and answer questions about direct modeling.
Lesson 5: Writing problems for students at a direct modeling stage
Lesson 6: Variations on Compare problems (CQU and CRU)
Lesson 7: Start Unknown problems
Quiz: Identify all 11 problem types (Take this quiz online as many times as you wish. You will get credit for your best score by the end of the day Sept 28)
--CGI Assignment 2: Write a CGI mini lesson-plan.
Lesson B: Problem Type Difficulties
In Children's Mathematics: Cognitively Guided Instruction, read chapter 4: Multiplication and Division
Lesson 9: Grouping problems: Multiplication, Measurement Division, Partitive Division. (D2L quiz)
Lesson 10: Rate and price problems (with Cuisenaire rods) (D2L quiz)
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Lesson 11: Multiplicative Comparison problems
Lesson 12: Area and Array problems
Lesson 13: Combination problems