Most children acquire an understanding of the natural world well before they receive their first science lesson, research suggests. They know that solid objects cannot move through each other, that ...

Distance is possible, and often desirable, but nothing is ever exactly the same in a prepared course. The real thing comes ...

This report details the development of a learning progression for the understanding of fractions. The intended use of the learning progression is to support formative assessment practices for children ...

The reports, tools and resources from the Learning Progressions (LP) Project reflect outcomes from a two-year partnership with Denver Public Schools (DPS) to pilot the use of learning progressions in ...