Mathematics teaching board

The utility model relates to a technical field of teaching assistance device especially relates to a mathematics teaching board, and height and angle modulation can be carried out to it, reduces and uses the limitation, and can carry out video teaching through the display screen simultaneously, improve teaching effects, including clipboard and support frame, still include the main part, the front side and the rear side of main part are provided with the display screen groove respectively and write the card slot to be provided with the display screen at the display screen inslot, the clipboard inslot is provided with connecting plate and first pivot, and the connecting plate top is provided with first standing groove, and is provided with a ball bearing in first standing groove, the support frame includes second pivot, backup pad, four group's screwed pipes, four group's threaded rod and bottom plates, and the left front side in top of bottom plate, right front side, left back side and right back side all are