The main purpose of differentiated learning is to provide opportunities for continuous development any learner and relies on the existence significant differences between learners. Teaching environment instruction strategies created according readiness, style, age interests increase learner’s motivation, involvement, degree achievement result, which lies in formation knowledge, skills attitudes...

This study sought to investigate in-service mathematics teachers’ knowledge of differentiated instruction in junior high schools Tano South Municipality Ghana. The adopted an explanatory sequential mixed method design. We employed a sample 50 JHS teachers comprised 41 general and 9 special teachersin the quantitative through proportionate stratified sampling technique. In qualitative phase, 6 c...