Help your child learn how to count forward and backward by 1’s, 5’s, and 10’s with their hands. Counting forward and backward by 1’s lays the foundation for addition and subtraction, while counting by ...

A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...