Strip https://www.mathematische-basteleien.de/strip.html
I suppose that you have to explain this effect in the same way as a bimetallic bar
Dein Suchergebnis zum Thema: have
Cat’s Cradle https://www.mathematische-basteleien.de/catscradle.htm
Matratze, 5 Katzenauge, 6 Schweinchen auf der Leiter, 7 Standuhr The names, which I have
MacMahon’s Coloured Cubes https://www.mathematische-basteleien.de/macmahon.htm
Cube and mirror cube have mirror images, for instance Ab and Ba.
Cube One https://www.mathematische-basteleien.de/cubeone2.htm
The violet triangles are congruent and have the sides sqrt(2)/2*a, sqrt(2)/4*a, and
Cube https://www.mathematische-basteleien.de/cube.htm
If you have the choice of the following four drawings most people would choose picture
Square https://www.mathematische-basteleien.de/square.htm
Some nostalgia: I still have a calculator from 1971 (Quelle "Privileg"), which has
Polyhexes https://www.mathematische-basteleien.de/polyhexes.htm
Parallelogram Seven tetrahexes have 28 hexagons altogether.
Spirals https://www.mathematische-basteleien.de/spiral.htm
The radii have the ratios 1 : 1.5 : 2 : 2.5 : 3…..
Peg Solitaire https://www.mathematische-basteleien.de/solitaire.htm
You have to remove the pegs one after the other by jumping horizontally or vertically
Bascetta Star https://www.mathematische-basteleien.de/bascettastar.htm
You have to go through it. Fold the module 29 more times. ……