Just how big would it really be? Young mathematicians determine if different toys are proportional and if their scale is accurate. They solve problems relating scale along with volume and surface area using manipulatives. The...

Scientists are always sorting and classifying objects based on their characteristics. In a hands-on learning activity, young space explorers work together to categorize solar system cards based on their properties. It is up to the...

How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...