Multifunctional mathematics teaching tool

The utility model relates to the field of teaching aids, in particular to a multifunctional mathematics teaching tool. The multifunctional mathematics teaching tool is simple in structure and complete in functions, and is capable of drawing a straight line, an angle and a circle, and has a function of drawing any figure in a mathematics teaching process. The multifunctional mathematics teaching tool comprises a protractor (1), a compass (3) and a ruler (6), wherein the ruler (6) is arranged on the protractor (1); a ruler scale (4) is arranged on the ruler (6); the upper end of a clamping groove (2) is connected to a rotating ball (8), and the lower end of the clamping groove (2) can be connected to a chalk (10); the compass (3) is formed by a compass I (301) and a compass II (302), and the rotating ball (8) is arranged on the lower end of the compass (3); a butterfly bolt (9) is arranged on the compass I (301); a chalk clamping groove (5) is arranged on the upper end of the compass II (302). The multifunctional mathematics teaching tool has the following beneficial effects of simple structure, convenience for use and convenience for carrying, and during drawing, the figure can be drawn in the mathematics teaching process without replacing the tool.