When you cut an object into two equal parts, you're creating halves or fractions. Introduce the numerator, denominator, and what they represent to your class. They review what a fraction is and then label the images that are halves.

Introduce the concept of fractions to very young children. They see images of objects cut in half. They then complete a series of activities where they color half of each given image, then cut and paste two halves together to create one...

This excellent resource has the audience focus on ways to create complete sentences. As the presentation progresses, they see many examples of sentences that are fragments, run-ons, and ones that are punctuated incorrectly. They then...