Implementation of Community Service activities was conducted with Seminar activity to teachers of Early Childhood Education (PAUD) all Kalirejo sub-districts joined in Teachers Association of Kindergarten Indonesia-PGRI (IGTKI-PGRI) Kalirejo participated by 71 participants. This seminar aims to: 1) provide information to early childhood teachers about early childhood cognitive development, and 2) increase insight to PAUD teachers about the method of playing manipulative tools in introducing the concept of numbers to children of early age 3) with information on cognitive development of children is expected teachers PAUD in providing learning tailored to the child's cognitive development so that children have a strong character. The conclusions in this devotional activity include: 1) in treating the child must be adapted to the stage of development both in terms of educating and teaching a concept in children; 2) to introduce the concept of numbers in early childhood must include the five content in mathematics that is: number and operation of numbers, algebra, geometry, measurement, and data analysis and opportunity because in its application the five content is related to number. The introduction of the concept of numbers must be adapted to the early childhood cognitive development stage, namely in the pre-operational stage, one of which is through a manipulative tool; 3) The introduction of the concept of numbers in early childhood through manipulative tools can strengthen the character of the child because it is tailored to the daily life of the child.
Khasanah, B. A., Astuti, R., & Nurdin, A. (2018). Penyuluhan tentang Pengenalan Konsep Bilangan Melalui Metode Bermain Alat Manipulatif dengan Memperhatikan Tahapan Berpikir Anak Usia Dini. Proceeding of Community Development, 1. https://doi.org/10.30874/comdev.2017.40