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Trigonometric numbers in the unit circle: GeoGebra applet
This interactive tool can be used to show where the sine, cosine, tangent and cotangent of an angle can be read on the trigonometric circle.
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Business arithmetic: Calculating with packaging
Learn through ten online exercises how to calculate the cost of packaging to store goods neatly, transport them safely, or deliver them to customers without damage. Calculate how much deposit or VAT you have to pay and what the total cost is. …
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Business arithmetic: Calculating with discounts
Learn how to calculate a discount using ten online exercises.
How much do you pay for your dream trip if you receive a 20% early booking discount? On Black Friday you can buy two items for over 1000 euros. You get a 25% discount on the most expensive …
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Business arithmetic: Calculating with weights and volumes
Learn to deal with weights and volumes using ten online exercises.
For example, you want to make jam, but how do you calculate the quantities of the ingredients? Or you want to save on gas and electricity by taking shorter showers, but how much water …
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Banknote designs: Assignment
What is on a euro note? What security features can you find on banknotes? Who designed these notes?
By analogy with what you learned about the euro notes, design a banknote with security features.Translated by
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Health tips on social media: Processing questions
Processing assignment for two videos from Uitkelaard: health tips on social media :
- health videos on TikTok;
- Tips on social media cannot always be trusted.
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The value of a digit in a number
Students write down the value of the digit 5 (thousandths, hundredths, tenths, ones, tens, hundreds or thousands) under each number.
The exercise is self-correcting. If students give an incorrect answer, the answer box turns red. If they answer …
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Functional prescription of a second degree function: relationship between ABC form and αβ form
Derivation of the form f(x) = ax² + bx + c from the form f(x) = a(x-α)² + β. The formulas for α and β as a function of a, b and c are derived from this.
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Bill of Lading: Filling out exercise
Students learn to complete CMRs (waybills) based on cases. The level of difficulty varies.
Professional terminology is also discussed (e.g. internal transport equipment).
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Difference quotient, increase and decrease second degree function: Exercises
Book widgets exercise on calculating the difference quotient and determining a constant or changing increase or decrease of a second degree function.
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Difference quotient, increase and decrease cubic function: Exercises
Book widgets exercise on calculating the difference quotient and determining a constant or changing increase or decrease of a cubic function.
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Arithmetic with integers: Snake game
Game to practice the four main operations with integers during class or during an in-depth hour.
Each solution is on the playing field twice, so there are always two operations with the same solution. Working with insight and making the right choices …
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