The invention relates to the production of a first-grade pupil's oral arithmetic turntable. The patent technology of this utility model discloses an oral arithmetic turntable, which comprises a large plate, a small plate, a card and a base (card box). The large plate is engraved with 0-9 numbers at equal distance along the circumference of the large plate, which corresponds to the holes on the small plate. The small plate is provided with small round holes for displaying the numbers of the large plate, and the bottom of the small plate is attracted to the base card box by magnetic force. The card can be placed in the card box, and the big disk can rotate. The card consists of a digital card and an operation symbol card, which is located between the small round hole of the small disk and the digital card, and the operation symbol card consists of an addition disk, a subtraction disk, a multiplication disk and a division disk. Simple and easy-to-use oral arithmetic turntable, flexible operation, can rotate the large disk as needed, and provide addition, subtraction, multiplication and division within 10; The card can be stored in the base card box, and the small disc and the base card box can be disassembled and placed, so that the teaching aid is small and exquisite, the card is not easy to lose, and it is easy to carry.