No abstract

No abstract

Engage children in literature to pique their interest in quantity concepts, develop their fluency in measurement processes, and establish their quantitative literacy.

Ellipses vary in shape from circular to nearly parabolic. An ellipse's eccentricity indicates the location of its foci, but its aspect ratio is a direct measure of its shape.

After months of solving real-world problems, high school students enact the full modeling cycle supported by peers, teachers, and technology.