Most fraction resources give students a method and tell them to practise it. This no-prep, self-paced package starts by showing them why the method works, and that changes how well they understand it. The fraction bar models in Phase 3 make the least common denominator visible before any rule is introduced. Students see it, then learn it. This is the approach used in high-performing Finnish classrooms: understanding before speed. What is in the package?A complete nine-phase adding and subtractin