Abstract. Mathematical connection is one of the basic skill of learning mathematics.The ability of mathematical connections includes a connection of inter mathematical concepts, among mathematical concepts, with other subjects and daily life.The existing learning models have not been effective to growing all indicators of mathematical connection capability in one learning process. We are required CONINCON learning model which developed based on constructivism, integrative, and contextual approach.The CONINCON learning model has been tested its validity by expert validator, and tested its practicality and effectiveness with 3 stages of learning test at SMPN 16 Semarang.The CONINCONlearning model with syntax of construction orientation phase, construct phase, integrative phase, contextual phase, and connection reflection phase have been widely implemented at 40 SMP and 5 MTs in Semarang.