Kids practice measurement with comparison vocabulary at the Big Top.

Time to joust! Kids practice measurement with comparison vocabulary.

Time to race! Kids must identify items based on measurement vocabulary.

Kids practice measurement with a virtual ruler in this drag-and-drop game.

Add a tricky twist to measurement math drills with this fun set of riddles.

Kids practice estimation and working with a ruler in this colorful measurement game.

Help out with the Twigs World Tour, and practice measuring with different units from both metric and standard systems.

Learn lengths with some wild and crazy shapes in this sorting game that sorts by length and height.

Kids must use a ruler to identify buildings and help Super Floyd save the day.