The International Baccalaureate Primary Years Programme (PYP, ages 3–12) is inquiry-based and transdisciplinary. Rather than fixed grades, its mathematics is a learning continuum organised into four phases, each developed across the five PYP strands — number, pattern and function, measurement, shape and space and data handling. Each phase below is a course you can focus on; move on when the ideas are secure, not on a fixed birthday.
From here, learners continue into the