<![CDATA[This research aims to develop and produce teaching materials products based on liveworksheets that are valid, practical and effective. This research method refers to a 4D development model that includes 4 stages namely define, design, development, and disseminate. The subject of this research was the grade IX UPTD SMPN 7 Barru. Research instrument in the form of validattion sheets by experts to measure validity aspect; teacher activity observation sheet and responses to measure practicality aspect; student activity observation sheet, responses, and tests to measure effectiveness aspect. The results showed that teaching materials developed had valid criteria with validity score of 3,35; practically with a score of 3,98 for the result of teacher activity observation and 90% for teacher response result; effective with a score of 82% for the result of students activity observation, 95% for student response result, and 100% for the test result.]]>
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