Recognizing groups of objects requires logical thinking. This abilty will become increasingly more important as your child begins to make decisions.
Children first learn how to sort items (animals, toys, food, etc.) As they master sorting, encourage them to identify what specific characteristics determined the groups they have sorted. Understanding the relationship between different groups of objects, and then being able to describe that relationship, will help in the development of important analytical skills that will be used throughout their lives.
Here's an Activity Sheet that will help reinforce your child's classification skills.
To Print: Double click on the picture to open it. Then right click and choose Print Picture.