Curated OER
Who Has Denser Fur?
In this mathematics instructional activity, learners identify and solve who has the denser fur, either the Sumatran tiger or the sea otter. They calculate the number of hairs for each per inch or per meters and compare them.
PBS
Pbs Nature: Otters
Discover more about how otters live, what they eat and how they socialize when you visit this informative resource. This condensed site will benefit students who need help narrowing their research information.