Children are remarkably good at observing differences in the world. This is an important developmental learning strategy. Adults can support children as they make sense of differences by talking to them about what they observe. Read this evidence-based document for a review of the research and applications for home and classroom. The document is also available in Spanish at https://eclkc.ohs.acf.hhs.gov/es/publicacion/hablar-con-los-ninos-acerca-de-las-diferencias-y-similitudes