Multi -functional mathematics combination teaching aid

The utility model provides a multi -functional mathematics combination teaching aid, restrict, accomodate groove, block stopper including set -square, fretwork portion, pivot, handle, rubber protective sleeve, chalk slot, connection, the bottom of set -square is equipped with fretwork portion, the both ends of handle through the pivot setting in fretwork portion, the top of set -square is equipped with pluggable rubber protective sleeve, rubber protective sleeve's top is equipped with the chalk slot, the middle part of set -square is equipped with accomodates the groove, it is equipped with the block stopper that is used for fixed rubber protective sleeve to accomodate the inslot symmetry, connecting the one end of rope and fixing on the set -square, the other end is fixed on rubber protective sleeve. The beneficial effects of the utility model are that the function is diversified, can regard as the appurtenance that draws, can regard as the teacher's pointer to use again. 本实用新型提供种多功能数学组合教具，包括三角板、镂空部、转轴、握把、橡胶