Use this exercise to encourage students to think deeply about how each visual is similar and different.

Help familiarize children with grams and kilograms, two metric units of mass, in this hands-on measurement worksheet.

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.

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

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