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Sine, cosine and tangent in a right triangle: Exercise
Exercises on the sine, cosine and tangent in a right triangle.
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Similar Triangles: Exercises
These BookWidgets cover exercises on similar figures, the similarity factor and calculating a missing side.
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Program drawings with SVG
In this series of exercises from CoderDojo Waregem on Dodona , students learn to code an SVG file of a Yin-Yang symbol with a 0 and 1. This is the symbol of the organization CoderDojo, where volunteers organize coding lessons worldwide.
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Trigonometric numbers of related angles: GeoGebra applet
A tool to view the relationship between the trigonometric numbers of related angles on the trigonometric circle. You can click which related angle you want to see or which trigonometric numbers you want to see.
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Second degree functions: Repetition exercises
Series of twenty repetition exercises on the subject of second-order functions.
Can be used for practicing and/or testing the components:
- recognize a second degree function;
- valley or mountain parabola;
- determine the intersection with the …
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Determining the number of zeros for a second degree function: Exercises
Read the graph of a second degree function to see how many zeros there are.
There are fifteen questions, a selection of which can be used for practice and/or testing.
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Starting point for piano: Piano course for beginners or recoverers
Starting point piano is a course for pianists that can be followed online. The course consists of almost 20 chapters: clear videos in which everything is explained by the teacher Bas Bulteel.
Technique, notes, theory, chords, songs, PDFs, …
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Complex numbers: Preteaching
This learning tool is a pre-teaching on the theme of complex numbers. The students watch five educational videos about the history of imaginary numbers and complete the accompanying questions. They do this towards the first lesson on the theme …
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Build a graph of a function: GeoGebra applet
What is the graph of a function? How is it constructed?
You enter a function statement, choose x values and immediately see the corresponding y values being calculated. You can then have the point (x,y) of the graph drawn.Translated by
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Geogebra: Math solver
GeoGebra developed this math solver that solves first and second degree equations step by step and simplifies arithmetic expressions. If you enter an equation, after clicking on the plus icon you can enter a second equation and solve the system …
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Geogebra: Practice math
GeoGebra developed an online practice option: GeoGebra Math practice.
Math Practice is a tool to master algebraic notation. It supports a step-by-step approach to problems, allows you to explore different approaches and supports confidence, fluency …
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Unit prefixes
Drag the units prefix on the left to the corresponding tenth power on the right.
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