Probability model teaching aid for mathematics teaching

The utility model relates to the technical field of probability model teaching aids, and discloses a probability model teaching aid for mathematics teaching, which comprises a base, a round rod is fixedly connected to the center of the upper surface of the base, a pointer is rotatably connected to the top end of the round rod, and a first circular ring and a second circular ring are arranged above the base. A plurality of connecting rods are fixedly connected to the lower surface of the first circular ring and the lower surface of the second circular ring, and the bottom ends of the connecting rods are fixedly connected with the upper surface of the base; the dividing rods are clamped to the outer side walls of the first circular ring and the second circular ring through the clamping sleeves at the two ends, disassembly and assembly are convenient, the distance between the dividing rods is convenient to control, the size difference of the dividing areas is controlled, the number difference of the dividing are