Noticing Same and Different: The Concept of Comparison with Infants and Toddlers

“More” is often one of children’s first words. Infants attend to differences, though they don’t yet discriminate between “more” as quantity or magnitude/size or intensity of sensation. Toddlers are beginning to differentiate between attributes and develop a spectrum of preferences. These are all examples of the origins of the precursor math concept of Comparison, that is noticing sameness and difference." Check out this article from The Erikson Institute Early Math Collaborative.