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Animal Breeds: Task
Discover the diversity of animal breeds in this teaching material. Your students will consider the physical characteristics of pets and the variety of breeds.
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Calculating with percentages and the rule of three: Problems
With these problems, students learn to count with percentages and the rule of three. For this there are three files, each about a different theme:
- refugees,
- road fatalities,
- apply for asylum.
In each document, a news item is first briefly quoted on …
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Chemistry in a glass: Dyes in food
Why does tea have a brown color? Is the red food coloring in some candies and Campari made from tiny insects? Why can't jenever be distilled in an iron barrel? You will find answers to these and other questions in this volume.
In the classroom you …
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Nettiquette - Explobots
Nettiquette is a combination of the words network and etiquette. They are norms regarding behavior on the internet and everything that goes with it, such as the use of smartphone, e-mail, social media...
This document lists 31 of these standards.
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Calculate scale: Instruction sheet
This instruction sheet on scale calculation explains the following material:
- How do you calculate the actual distance?
- How do you calculate the distance on the drawing?
- How do you calculate the scale of a drawing?
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Calculating Scale: Learning Path
This is a short learning path about calculating scale. You will receive an extensive explanation of how to calculate the actual distance and a short overview of how to determine the distance on a map or the scale, interspersed with some exercises.
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Circumference and Area of Plane Figures: Learning Path
In this learning path you will learn step by step the formulas for calculating the perimeter and area, alternating with exercises.
The learning path contains interactive material for clarification and you get immediate feedback for all exercises.
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Area Calculation (Part 4): Exercise
You practice on the surface calculation: converting ha/a/ca into m².
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Area Calculation (Part 3): Exercise
You practice on the surface calculation: converting ha/a/ca into m².
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Area Calculation (Part 2): Exercise
You practice on the surface calculation: converting ha/a/ca into m².
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Area Calculation (Part 1): Exercise
You practice on the surface calculation: converting ha/a/ca into m².
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Percent Calculation (Part 5): Exercise
You practice on percentage calculation. Afterwards, the percentages have to be converted into a pie chart and a bar chart. Rounding of numbers is also discussed.
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