Estimation is an important part of math and science. Practice estimating length by using your best guess!

What is length? Preschoolers will get a taste of measurement with this simple worksheet.

Help your third-grader understand the different units of length with this worksheet.

Help your child practice his skills in estimation with this printable worksheet, which asks him to assess the length of household objects.

Help your child practice his skills in measuring with this printable worksheet, which asks him to measure the length of household objects.

Pull out that ruler and measure parts of this little narwhal. This activity will give your child practice using a ruler to measure length.

Build basic measurement skills help from Harry the Horse! Your child will practice using a ruler to measure length, a skill he'll use the rest of his life.

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

Your little guy will surely enjoy cutting out the inch ruler and measuring the length of each colorful vehicle!

Use this glossary with the EL Support Lesson Plan: Exploring Metric Units of Length.

Cut out the inch ruler and measure length and width of the objects related to space. Your second grader will go galactic with our fun and simple worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: Exploring Metric Units of Length.

Introduce measuring to your second grader with this simple and easy worksheet. Use the paper inch ruler to measure the length of each school supply.

On this second grade math worksheet, kids use a ruler to measure four vegetables in inches. Then they compare lengths to find the shortest and longest veggie.

On this second-grade math worksheet, kids use a ruler to measure four vegetables in inches. Then they compare lengths to find the shortest and longest veggies.

Get your students measuring and moving as they measure different objects around the room with centimeter cubes and record their findings.

Don’t let estimating and measuring bug you—strengthen your skills with this fun second-grade worksheet!

Practice basic measurement skills with this mini elephant! This fun activity will get your child started using a ruler and help him get familiar with inches.

Help a little mathematician learn about measurements with this fun, shark infested math worksheet!

This flying bat makes a fantastic math learning exercise! Pull out your ruler measure his wingspan, his ears and his body.

How tall is this giraffe? Pick up a ruler and help your child measure Geoffry the Giraffe in inches. They'll even get a little intro to fractions.

How long is this little squirrel's tail? Pop out the ruler and measure this feisty furball before he runs away!

This fluffy feline is here to help your child master their measuring skills. Whip out the ruler and measure the different parts of this kitty.

Young learners work on their measurement skills with the help of some wormy friends!

Decide what unit (inches, feet, yards or miles) to use to measure different things.

Familiarize yourself with the metric system! Convert units of measurement in this series of word problems.

On this second grade math worksheet, kids measure the length and width of their foot and the length of their toes to the nearest inch or half inch.

On this hands-on second grade math worksheet, kids measure the length and width of their hand and the length of their fingers to the nearest inch or half inch.

Practice measuring length in inches with this cute buggy worksheet.

Decide when to use each measurement tool in this engaging math worksheet!