With this teaching activity, you warm up the group for a discussion with different opinions. Students see that you can look at a problem from different perspectives, depending on how you look at it.
- Activity goal
- Practice skills
- When
- In class
- Where
- Hybrid | Offline | Online
- Duration
- < 10 minutes
- Group size
- Small | Medium
Step-by-step plan
Step 1
Draw a triangle as shown in the image below.
Step 2
Ask students how many triangles they see.
Step 3
Write their answers without responding in the margin.
Step 4
After collecting the answers, ask students to explain their answers. Start with the student with the most triangles and let him/her tell where he/she sees the triangles.
Step 5
Discuss with the group: was the one who said 16 wrong? And 17? And 24? Why or why not?
Step 6
Close the exercise with the instruction: in the next discussion, I invite you to look at different opinions just as you are doing now. If someone has a different opinion say: I see it differently.
Consider the tools and materials mentioned here as suggestions. In many cases it鈥檚 possible to use alternative tools. Please turn to first to see which online and offline tools are available and how to apply them.
Offline
- Whiteboard and markers
- Visualization tool such as PowerPoint or Canva (optional)
Online
- Visualization tool such as PowerPoint or Canva
Tip 1
- You can also do it with other figures, such as a star or squares.
