Angle Disc

This angle disc helps math teachers introduce angles Instructions: The teacher sets an angle and sees on the labeled side how large the colored angle is on the other side The students see the unlabeled side and must now estimate the size of the (colored) angle The deviation from the correct value can be recorded as minus points

Student groups can also play this among themselves if there are enough discs

In addition, you can practice angle names (acute angle, right angle, etc.) with this

The idea for this angle disc comes from Klett Verlag Klett published this as a worksheet I am also attaching this here However, the 3D model for it is a custom development

I recommend printing the labeled disc with light text on a dark background In an attempt with black text on a white background, the text showed through the disc

To ensure the discs can slide well against each other, I recommend printing on a smooth build plate However, it also works with a textured plate

Assembly: As shown in the last picture, the discs are pushed together so that the 10° mark can be read Then connect the discs with the connecting knob Its two halves must be screwed together