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Matikkatunti (fin)
6/05/2019
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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4/29/2019
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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4/05/2019
Number line
Number line
Number line can be tricky. In this app you have to solve what number X represents.
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1/29/2019
Area of a trapezoid
Area of a trapezoid
This app demonstrates the area of a trapezoid. Move the sliders to proceed.
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