Gallon Man is a helpful character for understanding measurements. Build him on a new sheet of paper and map out converting a gallon to quarts, pints and cups.

This measurement worksheets is chock-full of empty, unmarked scales. Can your third grader help mark each scale down with its appropriate measurement?

Challenge your third grader to match up each metric unit of measurement with the U.S. version in this colorful worksheet.

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

Take a trip to the Farmer's Market! Introduce your third grader to a common metric unit of measurement: kilograms.

Help your third-grader learn the different units of weight with this worksheet.

In no time at all, your third grader will be a pro at changing units of measurement — like converting between grams and kilograms.

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

Encourage your third grader to explore metric and U.S. systems of measurement by filling in the blank in each sentence using the word bank.