1. Matrix operations The request was to solve exercises concerning to matrix operations (addition, multiplication and scalar multiplication) and to use different properties of these operations.

2. Teams-Games-Tournaments Gallery tour Teams-Games-Tournaments Teams-Games-Tournaments) method because it’s an advanced cooperative model and a great activity to use as students review information. The students are grouped together in 3-4 teams, products are exposed like in a gallery and than analysed and evaluated. I used gallery tour(Teams-Games-Tournaments) method because it’s an advanced cooperative model and a great activity to use as students review information. The students are grouped together in 3-4 teams, products are exposed like in a gallery and than analysed and evaluated.

3. Teacher presents the exercises to be solved

4. The members of teams collaborate and do their jobs

5. All of them are involved

6. Or maybe not!

7. The effort is evidently.

8. The teams are working.

9. Still working…

10. The results are written on the answer sheets.

12. The products are exposed on the classroom walls.

13. The analysis begins. CorrectionsObservations

14. They learn to listen, to understand and to accept or reject the others opinions.

15. After the gallery tour every team re-examines its own product in comparison to the others.

16. End of story

17. Tired… but happy