This research aims to 1) develop an effective Active Learning plan combined with skill practice according to the 70/70 criterion, 2) study the learning achievement index through Active Learning combined with skill practice, and 3) investigate the satisfaction towards Active Learning combined with skill practice. The sample group consisted of 27 Grade 3 students from Muang Wapi Pathum School, during the first semester of the 2023 academic year, selected through purposive sampling. The research tools included 1) 10 Active Learning plans totaling 10 hours, 2) mathematics skill practice, 3) an achievement test consisting of 15 multiple-choice questions, and 4) a satisfaction questionnaire regarding Active Learning combined with skill practice, using a 5-point Likert scale with 13 items. The statistical analysis included mean, percentage, standard deviation, and effectiveness index. The research found that the Active Learning plan was effective with an efficiency of 81.00/82.20, which meets the predefined criterion of 70/70. The effectiveness index was 0.6828, indicating that students improved their learning by 68.28 percent. Overall satisfaction was at the highest level, with an average score of 4.54.