<![CDATA[Mathematics is an important branch of science to learn in order to solve problems and present problems from contextual situations or conditions. This research includes research and development using the ADDIE model approach. This research produced a learning product in the form of worked examples that are suitable for use in mathematics learning on matrix material. The steps taken in this development were analysis, design, and development. The needs analysis was conducted by analyzing the matrix material found in phase E at the vocational high school/vocational high school level. The learning outcomes used were performing addition and subtraction operations on matrix forms. The design of the worksheet with the worked example approach included a template consisting of objectives, strategies, and concise material to help students learn matrices. In addition, providing story questions and clear steps for solving them can make it easier for students to understand the concept of matrices. Development is the final stage in research and development, which includes product design, feasibility testing, and product testing. The conclusion that can be drawn at this stage is that the learning product in the form of worked examples produces a product category that is suitable for use. The results from the validators, who are media experts and subject matter experts, show that the product is suitable for use without revision. The validators consisted of two education practitioners, designated as validator 1 and validator 2. The score obtained from validator 1 was 43 and validator 2 was 45, with an average of 44. Both validators produced a percentage of 88%, which is classified as good and requires no revision.]]>
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