1. 2nd Grade Evaluative Thinking Lesson Construction Thinkers Key – Intro for Teachers
CCSD Advanced Learning – Talent Development

2. Construction Mystery Bags
Using Thinkers Keys

3. What will students do?
Students will engage in problem solving exercises by using the Construction Thinkers Key
Students will choose a Mystery Bag containing a Construction Task Card
Students will evaluate the task and materials in the bag, then use the use graphic organizers to
See – Identify the problem
Plan – Choose a strategy to solve the problem
Do – Attack the problem
Check - Is the problem solved?
Each task is open-ended and allows for a range of solutions or ideas.

4. Implementing the Lesson
Prepare:
Print and laminate each 2-sided task card.
Prepare each Mystery Bag
You may want to make copies of the organizers o the back of each card to provide scaffolding for students.
Present: Construction Mystery Bags Mini Lesson
Practice:
Allow students to work in pairs or individually on each consecutive task.
There are no right or wrong answers. These tasks encourage and promote individual, creative and lateral thinking. 

5. Assessment
Students will be observed as they engage in the problem solving process to construct the item on the Task Card.
Students will use an organizer on the back of the task card to scaffold them through the problem solving process.
The teacher will evaluate students as they display their ability to:
Identify the problem
Choose a strategy to solve the problem
Attack the problem
Determine if the problem is solved