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Rule of Three: Exercises
Extra exercises on the rule of three supplemented with an improvement key. This covers:
- cost accounting,
- percent calculation.
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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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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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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: Presentation
With this PowerPoint presentation, your students will learn to construct triangles using a compass and a protractor. Each step is worked out visually.
They also learn to draw the bisectors in a triangle with the protractor.
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The trigonometric numbers: Presentation
This presentation discusses the trigonometric numbers in a right triangle. The sine, cosine and tangent are successively defined based on the relationship between angles and sides in similar triangles.
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Fermentation of bread: STEM project
In this STEM project, students take on the challenge of baking the tastiest sandwich and packaging it. First, the students receive an introduction that also includes the
history of bread is discussed. Then students learn about the
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Mood language: Compose your own rap!
The 'STEM Language' project follows the typical STEM structure with an introduction to the challenge, a number of chapters that provide students with the necessary tools to take on the challenge and ultimately the realization of the challenge, …
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Solving systems with GeoGebra: Task
Three exercises on solving a 2x2 system graphically with GeoGebra. The students first learn to draw lines in Geogebra and then solve a system.
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Cartesian Equation: Exercises
Some exercises for drawing up the Cartesian equation of a line with the associated improvement key. The formula y = ax+b or x = k was used when drawing up the exercises and key.
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Calculating percentages: Extra exercises
Accessible exercises regarding percentage calculation.
The student is given nine exercises to practice percent calculation.
You can also use the exercises with the rule of three.
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Types of variables: Exit ticket
An exit ticket in which the student must associate the correct type of variable with each example. You can always choose from four different types of variables:
- quantitatively discrete;
- quantitatively continuous;
- qualitatively nominal;
- qualitatively …
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