E-LKPD Berbasis Liveworksheet Sebagai Stimulus Hasil Belajar IPAS Siswa Kelas IV SD Negeri 105385 Kotasan

The problem in this research is that teachers are not yet able to develop learning tools, apart from that teachers have difficulty obtaining materials to make LKPD for use in learning. Apart from that, teachers still use conventional learning models. This results in low student learning outcomes. The purpose of this research is to find out the validity of E-LKPD, find out the practicality of E-LKPD and find out the effectiveness of E-LKPD which was developed in science and science learning material. How do we get all our needs? on the topic "me and my needs". The type of research is research and development (R&D) using the ADDIE model which has 5 stages, namely Analysis, Design, Development, Implementation, and Evaluation. The results of material validation by material experts on live worksheet-based E-LKPD obtained a score of 97,5% with the criteria "Very Eligible". The validation results by design experts obtained a score of 94% with the criteria 'Very Eligible'. The results of the assessment by educational practitioners obtained a score of 96,6% with the criteria "Very Practical". Based on the evaluation, it was found that there was an increase in student learning outcomes, with the pre-test average being 59,5 while the post-test average was 89,48. Implementation of learning using liveworksheet based E-LKPD on the material. How do we get all our needs? The topic "me and my needs" is effectively used. This is proven by the average score of 81,27% in the "Effective" category.