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

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

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

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

Kids compare objects by their length and height to place them in the correct order.

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