Teaching Algebra I with 4MAT 4MAT 4 Algebra: An elegant and practical way of organizing Algebra instruction so that all students will find it more engaging, more meaningful and more memorable. Note: 4 MAT is a lesson design model that incorporates diverse modalities and meaningful real world connections. It is a design that is very ESL friendly. in Books & Videos/DVDs: Professional Development > Mathwith 4matalgebramath