Fractions

Fractions

Fractions can be shown with a diagram. This app is useful for teacher showing fractions and for testing also.

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<iframe fullscreen="" height="500px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/xhvxmnq6/width/500/height/500/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="500px"> </iframe>

Curved lenses and mirrors

This is exercise for curved lenses and mirrors.

Convex lens

In this exercise you can adjust focal length of the lens and the refractive index of material.


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<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/kacggpzt/width/700/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>

Number line

Number line

Number line can be tricky. In this app you have to solve what number X represents.

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<iframe fullscreen="" height="270px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/frqu5kvw/width/700/height/270/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>

Area of a trapezoid

Area of a trapezoid

This app demonstrates the area of a trapezoid. Move the sliders to proceed.

<Show embed code>

<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/vzpnwpbr/width/580/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="580px"> </iframe>