Download these free worksheets to sharpen your skills working with integers. Sheets focus on comparing and ordering integers, adding, subtracting, multiplying and dividing integers, and order of operations with integers.

[Free Registration/Login Required] An informational text explaining the five steps of the scientific method. A question sheet is available to help students build skills in reading comprehension.

The structure of a machine's parts in relation to one another and the proper functioning of the machine itself, applies not just to the machines is, but also to the ones at work inside our bodies. These molecular machines, called...

In this interactive, students use logic and mathematical skill to place aquatic animals at locations on a Cartesian graph with cardinal directions. Then, they determine both the vertical and horizontal distances between points. The...