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Chemistry lessons: YouTube channel
This website bundles videos in which chemical concepts are explained.
A selection from the offer:
- atoms, molecules and substances;
- equilibria;
- Naming;
- reactions;
- separation methods;
- spectroscopy.
You can find even more footage under the playlists …
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Video (13)Teacher -
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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Interactive exercise (7)Teacher, ICT co-ordinator, … -
Times and division table card up to 20: Memory aid
An overview of all tables up to 20, with results, as a memory aid for the students.
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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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Interactive exercise (9)Teacher, ICT co-ordinator, … -
Percent calculation with the rule of three (3)
First calculate the total. Then convert the total to percentages using the rule of three. The result must always be correctly rounded to one digit after the decimal point.
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Interactive exercise (3)Teacher -
Percent Calculation with the Rule of Three (2)
Calculate the total first. Then convert the total to percentages using the rule of three. The result must always be correctly rounded to one digit after the decimal point.
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Interactive exerciseTeacher -
Percent calculation with the rule of three (1)
First calculate the total. Then convert the total to percentages using the rule of three. The result must always be correctly rounded to one digit after the decimal point.
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Interactive exerciseTeacher -
Exchange rates (3)
Calculate the correct exchange rate.
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Interactive exercise (5)Teacher -
Exchange rates (2)
Calculate the correct exchange rate.
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Interactive exerciseTeacher -
The exchange rates (1)
Calculate the correct exchange rate.
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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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Interactive exerciseTeacher