This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

Use this rectangular prism cut-out to help your child learn more complex geometric shapes, or practice finding the surface area or volume of an object.

In this 3rd grade math worksheet, your child will practice calculating perimeter and adding whole and half numbers.

Kids sometimes don't distinguish between a shape that's open and one that's closed. Here, kids can see the difference as they classify shapes as open or closed.

Can your kid tell the difference between 2-dimensional and 3-dimensional shapes? Kindergarten is a good time to start!

Give your child practice reading and identifying fractions with this printable worksheet, which focuses on the fraction 1/3.

Looking for a worksheet to help you child's math skills in fractions? This printable will give him practice identifying the fraction 1/4.

Pore over perimeter in this worksheet for third-grade students!

Children will use just seven shapes to create a ghost ship, a spider, and other Halloween pictures in this holiday-themed math worksheet. 

Build complex structures out of common three-dimensional shapes in this hands-on worksheet!

Here's a worksheet that shows kids how shapes can be found in real things by asking them to find and count all the different shapes in a picture of a garden.

Practice finding parallel and perpendicular lines in the real world with this fun worksheet!

Practice perimeter problem solving with this third-grade worksheet!

Perfect your perimeter proficiency in this third-grade worksheet!