This product is a Halloween themed activity for the Smart Board. The product has 28 slides that your class will love in a mini-lesson or in a center. It has 7 pages where the students can drag the missing numbers on to the monster's mouth as a number line. It also has 10 addition and subtraction word problems that the class can drag or tap out the monster's teeth to show the work. After they have written and solved the problem, they can check their own work by tapping the monster's bolt. Kids and teachers will love this product!