Let's see how complicated we can make this simple task. The last activity associated with a 10-part series has groups design and build a Rube Goldberg machine. Teams determine a simple task to accomplish and use the engineering design...

Class members work in pairs to build a catapult to launch a grape a given distance. The catapult project, a compound machine, reinforces pupils' understanding of simple machines.

Two-axis rotations ... twice the fun as one-axis rotations! The last installment of a five-part module teaches scholars how to conduct two-axis rotations. They create isometric drawings before and after the rotations.

If you're completely lost on what grammar you should cover for Common Core skill L.9-10.1, look here! You will find some ideas and examples on what to include, making sure your learners can master the skill. The multiple choice quiz is...

This site shows how to repair run-on sentences. Students and teachers will find this interactive resource helpful.

This site from the Internet Grammar of English of the University College of London provides a general overview of sentence structure. Content includes an online exercise, and is worth checking out on the subject.