Sorting and classifying is a key math skill for preschoolers to master before moving on to higher-level concepts. This guided lesson teaches kids to sort objects and identify what doesn't belong. Each exercise aims to engage preschoolers in order to build a positive relationship to learning and make early math a joyful occasion. When finished with the lesson, check out our sorting and classifying worksheets.

In kindergarten, kids will learn all about sorting and classifying. This skill is a building block for math and science concepts to come in the later grades. Knowing how to group numbers, for example, builds a key understanding of numerical concepts. This lesson focuses on sorting and classifying skills for kindergarteners, and comes complete with suggested worksheets for extended learning.

This guided geometry lesson takes second graders on an exploration of 2D and 3D shapes. Kids will learn how to sort shapes, as well as partition them into halves, quarters and thirds. Tangrams are also featured within the exercise in order to give kids practical ways of practicing their new geometry skills. For more printable practice, try the geometry worksheets recommended by our curriculum advisors to accompany this lesson.

This geometry unit engages students in analytical thinking as they learn about the properties of two dimensional figures and consider the different ways they can be sorted based on those properties. Students also learn to plot points, lines and shapes on a coordinate graph.