What’s the heaviest object in your home? What about the lightest? Find out with this helpful third-grade worksheet!

Measure masses around the kitchen with this fun third-grade maze!

Practice measuring concepts and work on building your comparison skills with this fun worksheet that's all about liters!

Kids put all their measurement knowledge to work as they brainstorm and draw objects that have an equivalent measurement to a cup, pound, foot, and more!

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

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.

Go on a massive shopping spree with metric units in this measurement worksheet!

You don’t need a green thumb to solve these garden-themed perimeter problems!

From the tiniest ant to the biggest elephant, every animal has a mass!

Learn the difference between kilograms and grams with this engaging measurement worksheet!

Kids measure mass and volume with metric word problems.

Does your child have an affinity for sea life? Aquariums and measurement practice come together in this colorful third grade worksheet.

Learners practice converting kilometers, meters, and centimeters in this fun track and field themed worksheet.

Kids get a lesson in estimation as they color objects that weigh more than a pound red and objects that weigh less than a pound blue.

How far away is the Red Planet from the sun? Find out with this great Solar System printable.