www.tie.net

Cognitively Guided Instruction Book Study

December 15, 2010

www.tie.net

Review• If we walked into a classroom where the

teacher understands what Cognitively Guided Instruction is, what would we be seeing and hearing?

• Rachel Problems discussion• Direct modeling review

www.tie.net

Direct Modeling is….

• Counting out objects-cubes, tiles, ect.• Building and taking apart numbers• Counting on• Drawing pictures• Combining multiple manipulatives-cubes & pictures• 1:1 correspondence• Trial and Error and then Guess and Check• Making sets or groups representations• Acting out the problem

www.tie.net

Solving a Nonstandard Problem

Mr. Weisner ordered 17 creatures for his students to care for. He knows he is getting some lizards, some chicks, and some beetles. He also knows that his creatures will have 58 legs. What might he have ordered.

www.tie.net

Video of 2nd Grader

• How does the structure of a problem influence the way children solve problems?

• How does the problem, itself, influence the way children solve it?

• How did Mrs. Kohlan use what she understands about direct modeling when she interacted with the children?

www.tie.net

Action Problems

1. Read and direct model the problem.2. Define the action of the problem and the

part of the problem that is missing.3. View the video4. Write a number sentence on the problem

types chart that matches the problem.

www.tie.net

No Action ProblemsPart-Part Whole Problems:• Part-Part-Whole Whole Unknown• I have 6 red unifix cubes and 8 green unifix

cubes. How many unifix cubes do I have?• Part-Part Whole-Part Unknown• There are some robins and 13 cardinals in the

tree. There were 19 birds in the tree. How many robins were in the tree?

www.tie.net

No Action Problems Cont.

Compare Problems:• Compare Difference Unknown• Alex has 10 cars. Bob has 6 cars. How many more cars

did Alex have then Bob?• Compare Quantity Unknown• Bob has 6 cars. Alex has 4 more cars than Bob. How

many cars does Alex have?• Referent Set Unknown• Alex has 10 cars. He has 4 more than Bob. How many

cars does Bob have?

www.tie.net

Identifying a Set of Problems

Identify the problem types and write the number sentence for each problem.

www.tie.net

Building a Word Problem Classification Chart

• Cut problems out and place in the appropriate problem type section.

• With the remaining problem types, write a problem that goes with that problem type.

www.tie.net

Homework

•Read Chapter 2 – Addition and Subtraction Problem Types