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Pollution: Webquest
In this learning tool the students start using a webquest.
The influence of man on the environment is discussed:- plastic in the ocean;
- air pollution;
- global warming.
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Interactive exercise (26)Teacher -
Fractions: Basic Operations
In this learning path the basic operations with fractions are discussed. There are always instructional videos for the theory. After this, this theory can be practiced with a number of exercises.
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Interactive exerciseTeacher