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.

Categorize the objects by location in this cut-and-paste sorting worksheet!

One of the items in each group doesn't belong with the others. Can your child find which ones?

Some activities happen every day, but others happen once in a while. Help your preschooler understand the difference by sorting several activities.

In this preschool math worksheet, your child will practice sorting and categorizing to figure out what doesn't belong.

Can your preschooler solver this sorting activity? In this sorting worksheet, she'll use her logic to find the items and animals that don't belong.

Help your preschooler wrap her head around nighttime and daytime objects with this cute categorization worksheet.

A snowman needs his scarf! On this prekindergarten math and science worksheet, kids follow a pattern of winter clothes to get the snowman to his scarf.

A duck wants to get to the pond! On this prekindergarten math and science worksheet, kids follow a pattern of spring things to help the duck get to the pond.

A pig wants to play at the beach! On this prekindergarten science worksheet, kids follow a path of beach things to help the pig get to his bucket and shovel.

Which of these cute images are insects, and which are not? Can your preschooler put them into categories?

Each row on this prekindergarten science worksheet has four pictures. One picture does not belong! Kids circle the odd picture out.

Help your preschooler clue into categories with this adorable worksheet! It asks her to cut out each pretty picture, and then glue it into its proper spot.

This colorful categorizing worksheet asks your preschooler to cut and paste each cute picture into its proper category: "animal" or "food."