Introduce your first grader to centimeters by helping her measure some familiar things: school supplies!

In this worksheet, your child will be comparing two things in the pictures and will decide for himself which one is taller, older, or heavier.

Practice measuring centimeters with your first grader as you find the length of each shoe.

Children practice estimating and comparing relative length in this engaging ordering worksheet.

Help your child practice his skills with volume with this printable worksheet, which asks him to estimate how much liquid things can hold.

This colorful counting page is engaging math practice for your preschooler learning to count, and to compare more or less values between groups of butterflies.

You can measure length with all kinds of units, not just inches and centimeters!