In learning mathematics, calculation techniques are indispensable. However, a common issue encountered is the lack of proficiency in calculations, whether it be addition, subtraction, multiplication, or division. Jarimatika is a method of mathematical calculation using the fingers as tools to facilitate arithmetic operations, especially multiplication. This activity aims to socialize and understand the responses of students and teachers towards the use of the Jarimatika method in elementary schools. The results of the activity showed that students were very enthusiastic during the activity and found it easier to perform multiplication operations using the Jarimatika method. The teachers' response was also very positive and they appreciated this activity. From this activity, it was proven that the Jarimatika method helps elementary school students become quicker and more proficient in multiplication operations

The prevalence of nutritional status among children aged 5-12 in the Gorontalo Province based on BMI-for-age indicates that 2.70% are severely underweight, 8.45% are underweight, 8.93% are overweight, and 6.26% are obese. The shift from the previous 'four healthy five perfect' nutrition reference to balanced nutrition guidelines is not yet fully understood and known by all layers of society, including within school environments. The outreach activity conducted at Al-Falah Elementary Islamic School in Gorontalo District aims to provide education and socialization regarding balanced nutritional guidelines and the concept of 'My Plate' to elementary school students. The participants involved 34 students from grades 4 and 5. The methods employed included lectures, video presentations, followed by an evaluation using a 'My Plate' puzzle assembly game. The utilization of the puzzle as an evaluation medium was well comprehended by the students, as evidenced by a 75% proficiency in completing the puzzle. Enhancing students' knowledge about balanced nutritional guidance and food plate composition can be achieved through nutritional education and socialization.