A part of the sorting and classifying standard that can be overlooked relates to assigning a number count to a group of similar objects. This lesson helps students find similar groups and practice counting and relating numbers to their...

Students work with 24 histograms representing distributions with differing shapes and characteristics. By sorting the histograms into piles that seem to go together, and by describing those piles, students develop awareness of the...

What are the important concepts involved in data collection and data use in the preschool classroom, and how can teachers support the mathematics of data? This article gives a brief description of the concepts that children need to grasp...

[Free Registration/Login Required] Students will sort objects according to their observable properties, such as size, shape, color, temperature (hot or cold), weight (heavy or light) and texture. Included are printable resources, a...