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Sine, cosine and tangent in a right triangle: Exercise
Exercises on the sine, cosine and tangent in a right triangle.
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Derive fraction from figure
The figures are divided into boxes and partly colored. The number of colored boxes must be expressed as a fraction.
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Make or do?: Explanation of difference with practice
This presentation explains the difference between making and doing. At the end there is a completion exercise for the students.
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Statistical research: ICT exercise
Online exercise in which students perform statistical processing of a small study. The students learn in Excel:
- typing a data table;
- generate formulas (mean, median, minimum and maximum);
- enter a formula yourself (variation width);
- draw up a …
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Microbial fuel cell
Microorganisms can supply electrons by decomposing organic materials and in this way generate a potential difference. For example, a biofuel cell can function as a battery.
The document contains instructions for use that describe how to make a …
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Similar Triangles: Exercises
These BookWidgets cover exercises on similar figures, the similarity factor and calculating a missing side.
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Measurements of length, area and volume: Conversion tables
Conversion tables for length dimensions, surface dimensions and volume dimensions. Useful for converting units and calculating length, circumference, area, volume, capacity.
The most common units were used. Little-used units such as square decameter …
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What fruit is it?: Learning video
In this video you will learn about the different types of fruit. You will also learn the pluralis (plural) of the types of fruit.
For each word you also get the article (article).
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Inversion: Sentence building exercise
Exercise in which the student places the words in the correct order to create a good inversion sentence.
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OpenAI DevDay: Opening Keynote
Sam Altman, CEO of OpenAI, the company that developed ChatGPT, presented the first developer conference DevDay on November 6, 2023 to learn about the latest AI developments and discover what lies ahead.
In this video you will learn what GPTs are and …
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Educational videos: Overview document
This document contains several educational videos divided by subject:
- chemistry,
- biology,
- entrance exams,
and by theme. Almost all of the chemistry and biology curriculum for the third grade finality is covered in a Dutch video.
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Constructing triangles with a protractor and compass: Instructional video
This video will teach you how to construct triangles using a compass and a protractor. Each construction is visually elaborated step by step.
You will also learn to draw the bisectors in a triangle with the protractor.Translated by
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