Fur, fins or feathers?
Give kids animal pictures and three bins: mammals, fish and birds. They sort and give one clue for each: "Feathers, so it's a bird!" Kids who can say the reason really understand the groups.
Why it works: the U.S. Department of Education's guide for teaching elementary math recommends moving from hands-on objects to drawings to numbers.
Try it withMammals, Fish, or Birds Classifying Animals WorksheetWorksheetsOpen it →























