This research is a developmental research aimed at developing learning media, i.e. the media Snake Stairs on the learning material of IPA. The researchers took the material of Changing the Presence of Things in Class IV UPT SD NEGERI NGAMPELREJO. The goal of the researchers is to develop a staircase snake medium to determine the validity, practicality, and effectiveness of the developed ladder snake media. Development is done using the ADDIE model that consists of five (five) stages: analyze, design, develop, implement, and evaluate. (evaluasi). Data analysis techniques used are data validity analysis, data practicality analysis, and data effectiveness analysis. Based on the validation test, the results were obtained that the scale snake media developed had sufficiently valid criteria to be used with a percentage of material experts 77%, media experts 92%, and linguists 63.3%, and a product revision had been carried out so that trials in the field were tested. The percentage result for the elevation of teacher responses was 93.3% with very practical criteria. In the test obtained 89% with practical Criteria for use in learning. Based on the student test results performed in the test resulted 82%. Student test results on the test there are 6 students who get a score below KKM and there are 28 students that get a rating above KKM.
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