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Constructing triangles with a protractor and compass: Instructional video
This video will teach you how to construct triangles using a compass and a protractor. Each construction is visually elaborated step by step.
You will also learn to draw the bisectors in a triangle with the protractor.Translated by
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Solving systems: Explanation video
Explanation video in which a test about systems is completely solved.
The following topics are covered in the questions:
- graphical system solving (using graphic calculator);
- solving system using substitution method;
- solve system using combination …
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Content measure conversion: Explanation video
Short video in which the conversion from mm³ to cm³, to dm³ and to m³ is presented graphically using a 3D sketch in Sketchup.
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How to predict the number of corona infections?
This video shows how the number of corona cases can be predicted and how the impact of the measures taken can be estimated in advance.
You can also watch the video on Facebook .
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Learning mathematical definitions. How do I do that?
Share this video with your students. How do you memorize mathematical definitions?
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Construction of equally long line segments: Step-by-step plan
The video explains how two equally long line segments can be drawn with a compass and a geo triangle. After watching the video clip you can work independently.
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Handling a compass for students with motor problems
This video shows how a compass is easily adapted for students who have problems with fine motor skills.
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Financial algebra: Excel (2)
In this video I explain four financial functions in Excel (HW, NPER, RENTE and BET) from the point of view of someone who wants to borrow.
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Financial algebra: Excel
In the video I explain five financial functions in Excel (HW, TW, NPER, BET and RENTE) from the point of view of someone who wants to save.
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In parallelogram, diagonals intersect each other: Proof of property
The video clip proves that the diagonals intersect in a parallelogram in half. These fragments can be seen on Youtube and Edpuzzle .
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In parallelogram, diagonals intersect each other in the middle: Proof of property
In the video fragment it is proved that a quadrilateral of which the diagonals intersect in the middle is a parallelogram.
Web link Youtube:
https://youtu.be/BT6JmwuHg0IWeb link Edpuzzle:
https://edpuzzle.com/media/5af6179b2dbff640dbafb441Translated by
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Quadrilateral with pairs of parallel and equally long sides: Proof of property
In the video fragment it is proved that a quadrangle of which a pair of opposite sides are parallel and equally long, is a parallelogram.
Web link Youtube:
https://youtu.be/Ja_g4Ne2eeAWeb link Edpuzzle:
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