"What shape does this block look like from the side?" "It looks like a different shape from above than it did before!" When playing with blocks, children sometimes notice that the shape changes depending on the viewing angle. In elementary...

Read more...

"The left and right sides are the same shape, aren't they?" "It's like looking in a mirror!" Have you ever made such a discovery? In elementary school, students learn about "line symmetry" and "point symmetry," but the foundational understanding for...

Read more...

When you hear the word "volume," many people probably picture a somewhat difficult concept taught in the upper grades of elementary school. However, elementary schools don't actually jump straight to teaching the word "volume." Instead, they first use the word...

Read more...

The words "long" and "short" are terms children frequently hear in their daily lives. While children of kindergarten or preschool age may have a vague understanding of the difference between long and short, elementary school math class will lead to...

Read more...