How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Is it a square? Is it a triangle? This cut and paste worksheet will help your child categorize quadrilaterals, which are four-sided shapes.

Circle, cheese, triangle, square: One of these things does not belong in this group. Help your child figure out the outlying object with this worksheet.

Help your child sort these kids using counting and classifying skills. Your child will count, and learn to group and identify by characteristics.

Your shoe-obsessed child will learn how to count and classify his shoes in this worksheet. Count and classify with your child using these exercises.

Count and classify animals by their habitats and abilities. Help your child work on sorting skills with this count and classify animals worksheet.

Count and classify different kinds of vehicles in this worksheet. Kids will identify what vehicles pictured have wheels, can float, or are green.