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

Teach your second grader how to use a ruler by measuring pencils in centimeters and inches.

This cute printable challenges your third grader to practice identifying on a ruler the different heights that each of the critters can jump.

Get your second grader acquainted with pounds, a unit of weight, with this estimation worksheet.

With the help of this colorful worksheet, your third grader gains insight into units of measurement and reading distances.