Lifelong Learning Programme

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TEACHERS EXPERIENCES FORM

Title of the Experience
Stable structures
Name of the teacher
Aleksander Angelov (center for creative education)
Country where it took place
Bulgaria
School typology
High Secondary School
Thematic Area
Maths
Experience typology
Teaching in class
Type of contact
Direct
Description of the Experience
Stable structures

Objective: To develop the capacity for logical thinking, teamwork, management of time and resources as well teaching of basic stereometric figures.
Description: For a certain time and with limited resources students need to build a stable construction that could bear a certain object, chosen by the teacher (for example: small box full of pebbles). The constructions are estimated by their: 1. Stability; 2. Height; 3. Originality.

Skills and key competencies:
♦ Communication in mother language
♦ Communication in foreign languages
♦ Mathematical competence and basic competences in science and technology
♦ Ability to learn alone
♦ Entrepreneurial competencies

Performance: In this lesson students work best in groups of two or three people.
Materials:
• Plasticine
• Spaghetti
• Tape measure
• Box full of pebbles
• Boards (pads) on which students to work

Stages:
Step 1: It is carried out a brief discussion over geometric and stereometric figures appropriate to the age of the students. It is discussed buildings worldwide that have withstood time: What?; Why?.
Step 2: All working groups are given determined and equal for all groups amount of materials – plasticine, spaghetti. It is defined the time for working. The teacher can ask guiding questions to the students.
Step 3: The stability of all the constructions is measured with the box. Constructions that do not collapse or are visibly unstable are measured in height (from the base to a point at which the box is placed). The highest and most stable construction is the winner.
Step 4: Discussion - why some constructions collapse and others don’t? What makes one construction stable? Why the materials for some groups were not enough?
Key-TTT,ref.No504605-LLP-1-2009-1-BG-COMENIUS-CMP

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