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Corners in a quadrilateral
Sum of the four angles in a quadrilateral is 360 degrees. Calculate the size of an angle, based on three given angles.
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Interactive exerciseNewTeacher -
Sine function
Elements of the sine function: amplitude, equilibrium line and period. You receive a job description and get the requested information from it.
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Interactive exerciseNewTeacher -
Working out squares with remarkable products
Calculate the following squares using the rule of remarkable products.
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Interactive exerciseNewTeacher -
Proportions
An exercise on solving proportions: a/b = c/d means ad = bc.
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Distributivity in multiplication
Working out multiplications using distributivity: e.g. 31x11 = (30+1)x(10+1) = 300 + 30 + 10 + 1 = 341.
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Square roots of natural numbers
This exercise is about square roots of natural numbers, which have a natural number as a solution.
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Interactive exerciseNewTeacher -
Food challenge 2024: Mozzarella stretching
Will you make the longest mozzarella stretch together with your classmates? The winner gets a tour of the Mozzarella Experience Center and walks outside with 100 pizzas.
VIVES University of Applied Sciences challenges you during the Mozzarella …
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Training or activityNewAdministrative staff -
Smoker face
This app uses a selfie to show what your face would look like if you smoked. The negative consequences of smoking are shown on your own face. Useful for smoking prevention and to encourage people to quit smoking.
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App or softwareNewTeacher, ICT co-ordinator -
Elections: Quiz
View the Karrewiet report on the elections . You then solve multiple choice questions about the broadcast.
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Interactive exerciseNewTeacher -
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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Downloadable resourceNewTeacher -
Setting up reaction equations: Guided practice
Do you have difficulties drawing up chemical reaction equations? These guided exercises will help you arrive at the correct reaction equation quickly and easily.
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Drawing up a reaction equation: Tips
Difficulties with formulating reaction equations? These tips will help you or your students to prepare reaction equations easily and correctly. A separate video has been developed for the exercises.
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