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.

Measurement and data in first grade includes such important concepts as comparing the length and weight of two objects using a third object. This guided lesson, designed by curriculum experts, takes students on an exploration of these measurement and data concepts. Once through with the lesson, kids can gain extra practice with measurement and data with the accompanying worksheets.