These learning progressions start at pre-curriculum levels (ages 1 +) and they go up to the second grade. They are based on developmental readiness so all curriculums will work. All children across the world will develop along these lines, regardless of the speed they reach them.I developed these during my time as a Numeracy Leading Teacher to support teachers to know the stages of learning in numeracy, and to identify gaps to fill for students. It is also a good tool for Teacher Judgement Data