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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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Monofunctional compounds: Skeleton notation
Students often wonder what the skeletal notation looks like when functional groups are added to the carbon chain. This is a summary that I made at the request of students.
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Sportimonium: Education inspiration packages
This educational package on the Paris 2024 Olympic Games was developed by the Olympic Museum of Lausanne and translated by Sportimonium. The package consists of:
- an information bundle about the history of the Summer Olympics;
- a collection about …
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Statistics with R: Teaching materials
Statistics with R is a project with statistics teaching materials for secondary education. The R programming language is used in a simple way for calculations, tables and graphs. From concrete examples, the student comes into contact with the …
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Simple first degree equations: Exercises
Ten exercises on solving simple first degree equations of the form ax+b=c.
With this you can introduce your sixth grade students to the algebra from the first grade of secondary school. These sheets are ideal for strong students.Translated by
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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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Calculating with percentages: Creative assignment in Canva
With this assignment, students combine their creativity with calculating percentages. They choose a number of products that they would like to purchase online and then grant a discount. With these discounted products they design an advertising …
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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 equilibrium constant Kc is not dimensionless
The equilibrium constant Kc is a fundamental quantity in solving chemical equilibrium problems.
Many secondary school chemistry textbooks use a dimensionless concentration fraction, which they usually represent with the symbol K. Both the …Translated by
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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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