This project has been funded with support from the European Commission.
This web site reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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Intervention and Monitoring Tools

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TITLE OF THE INTERVENTION TOOL

Powers and balls

ADDRESS TO

Class

COGNITIVE AREA AND MATHEMATICAL DOMAIN ADDRESSED

Visual-spatial/Arithmetic

UNIVERSAL DESIGN FOR LEARNING PRINCIPLES

- Representation/Comprehension
- Action and expression/Expression and communication

FORMATIVE ASSESSMENT STRATEGIES

- Activating students s resources for one another
- Activating learners as the owners of their own learning

EQUIPMENT NEEDED

• Opaque bag
• 15 ping pong balls
• Black marker
• Pencil
• Paper

ESTIMATED TIME

45 Minutes

DESCRIPTION

Use the black marker to write a power in each ball. Each student will take a ball from the bag and write down the value of the basis and exponent of the power in the ball. After that, without performing the corresponding calculation, he/she will say if the number in the obtained ball is positive, negative, 1 or 0.

EDUCATIONAL AIM

The purpose of this tool is to help students overcome difficulties with the manipulation of powers and distinguishing basis from exponents.

REFERENCES

Costa, B., Rodrigues, E., Novo Espaço - Matemática - 7.º Ano, Porto Editora, (2019).

INTERVENTION TOOL (PDF)

MONITORING TOOL (PDF)

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The SMiLD project is funded by the European Commission through the Italian National Agency for the Erasmus+ Programme. This web site reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.