This study aims to find out an overview of how the mathematics learning process on lines and angles in class VII SMP YPK 2 Manokwari, the level of teacher readiness, and to obtain an overview of the implementation of student-centered learning through the contextual learning model that takes place at SMP YPK 2. Manokwari on lines and angles. The method used in this research is descriptive method with a qualitative approach. The results showed that (1) The learning process of mathematics at SMP YPK 2, especially in the material of lines and angles, has gone well in accordance with the learning plan that has been made and in accordance with the learning steps, namely introduction, core activities, closing, and evaluation (2 ) The readiness of the teacher in preparing for learning is good (3) The implementation of learning that is centered on students through the contextual learning model has not been fully carried out due to time constraints and differences in the abilities of each student which are not the same as the lack of existing facilities and infrastructure

Baby massage has a lot of health benefits for infants and mothers, but the lack of mothers’ skills makes them not doing baby massage. This study aimed to know the effect of health education on the mother’s baby's massage skills. The method was quasi-experimental design, a one-group pre-test-post test, purposive sampling, and the total sample was 53 subjects. The study was located in Cihanjuang Rahayu Village Parongpong District in July 2021. Inclusion criteria were a mother with a baby aged 3-12 months old that stayed at Cihanjuang Rahayu Village area, with a healthy baby, and a term birth history. Exclusion criteria were the mother that refused to join the study and the mother absent during the study. The result was an increment of skill average after health education that was 82,98%, with a p-value=0,000 using paired sample t-test. The conclusion of this study is that there were significant effects of health education on the increment of mothers’ baby massage skills.