Teaching ruler for mathematics

The utility model discloses a teaching ruler for mathematics, be equipped with the spirit level on the protractor board, the teaching ruler's of being convenient for level is put, the protractor boardincludes bottom plate and scale plate, the scale plate is located the bottom plate outer lane, the scale plate is transparent material, is favorable to the various angles of precision measurement, the chalk is sheathe in and is equipped with the protective sheath, prolongs the life of chalk cover, being equipped with the link on the protractor board, being convenient for hang, put, this teachingruler for mathematics has advantage multiple functional, convenient to use, has wide market prospect. 本实用新型公开了种数学用教学尺，所述量角器板上设有水平仪，便于教学尺的水平摆放，所述量角器板包括底板和刻度板，所述刻度板位于底板外圈，所述刻度板为透明材质，有利于精确测量各种角度，所述粉笔套上设有保护套，延长粉笔套的使用寿命，所述量角器板上设有挂环，便于悬挂、摆放，该数学用教学尺具有功能齐全、使用方便的优点，具有广阔的市场前景。