Try measuring with paper clips to find out how long the pictured objects are. This worksheet is great for measurement practice and building counting skills too.

What is the length of a crayon? A marker? Which one is longer? Students can cut out the included in/cm ruler to estimate, measure, and compare the length of easy-to-find objects in your classroom.

Get into some measurement mania! Challenge your third grader to mark the length of each object on the built-in ruler images.

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

Ready, set, measure! Practice measuring in centimeters and inches using your very own paper ruler!