<p class="Default"><strong><em>Actuarial science study program is a new study program in Indonesia. Recently many universities in Indonesia have opened the study program. Currently, Indonesia needs more actuary, this is one of the reasons for the existence of the actuarial science study program in Indonesia. However, many Indonesians do not know about the actuary and actuarial science field. Besides that, most Indonesians have not realized the importance of insurance for our life. The socialization about actuary and insurance is one of the ways to introduce actuary and increase the insurance awareness to the people in Indonesia, especially in Cikarang. This event went by distributing pamphlet and giving a short explanation to the respondent about actuary, insurance, and the relationship between them.</em></strong></p>

This study aims to increase the problem-solving ability of students of Class VII SMP on the building of flat and rectangular. This type of research is a classroom action research. By using a descriptive qualitative method. This research was conducted on the students of Class VII of Junior High School in Karawang with 38 students. The instruments used are students' Mathematical Problem Solving abilities, cycle I and II tests after giving the action. The result of the test pad of cycle 1 is only 37.1% of students who can answer the problem well. And in cycle 2 the result of the test increases from cycle 1. Based on the indicator, it is concluded that the mathematical problem-solving ability of the seventh-grade students of SMP on the building of flat and rectangle is low.

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