Which cup of kernels will produce the most popcorn? Encourage students to make a hypothesis, then watch the video to see the answer.

This video shows students the inverse relationship between multiplication and division. They will also learn to use the inverse to check their answers.

In this video, Emily and Carlos learn to solve math problems that have missing information by using a 2-step process of asking questions and then checking the answer.

Let's examine bird beak anatomy. Which bird beak can crush seeds – a Heron's or a Cardinal's? Watch the animation in the video to answer this question.

Candlewick Press children's author N Griffin answers 5 questions (plus one!) about the writing process, being creative, and the perfect readers for the Smashie McPerter books. (3:37)