Be a rock detective
Hand each table a few rocks and a magnifying glass. Kids describe color, texture and shiny spots, then sort them their own way and explain their rule. Observing real rocks before reading about them gives the vocabulary something to hold on to.
Why it works: going from real objects to pictures to symbols is a core recommendation of the U.S. Department of Education's elementary math guide.
Try it withRock Observation WorksheetWorksheetsOpen it →























