Teaching Systems Arithmetic Module 2: Addition and Subtraction is a state standards, curriculum based, complete lesson plan in a box designed to capture your students" attention. The DVD features award-winning Standard Deviants School programming, making the subject come alive! Cerebellum Teaching Systems equips you with everything you need to succeed where it matters most: the classroom. Students will learn the ins and outs of adding and subtracting numbers. Along the way, they"ll be introduced to estimating and problem-solving. With plenty of on-screen graphics and examples, learning will be as easy as pie.