<![CDATA[Learning is one of the core activities that must be followed by students because this learning is used to interact with others and increase knowledge that will be provisions in the future. This study aims to develop a product in the form of Student Worksheets (LKPD) Based on Concept Maps in Science Learning for Grade IV of SD Negeri 09 Lubuklinggau and to produce valid, practical and effective LKPD. The research method used is research and development (R & D) with the model used is 4D. The object of this study is 20 grade IV students. The results of this study indicate that: 1) the quality of LKPD seen from the validity aspect is said to be included in the valid category with an Aiken v coefficient for language experts of 0.85, material experts 0.80, media experts 0.76 with a high category. Meanwhile, the results of the analysis of the assessment of the practicality of the teacher and student LKPD sheets met the practical criteria with an average score of 76%, and effectiveness with an average of 84.9%, so it can be concluded that the LKPD in science learning meets the valid, practical, and effective criteria so that it can be used in learning.]]>
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