Illustrative Mathematics
The Lighthouse Problem
Long considered the symbol of safe harbor and steadfast waiting, the lighthouse gets a mathematical treatment. The straightforward question of distance to the horizon is carefully presented, followed by a look into the different...
Curated OER
Lighthouse Geometric
Young scholars identify the types and characteristics of geometric figures. For this lighthouse geometric lesson, students review shapes that represent plane or solid. They select items that could be used to construct a lighthouse scene...
Texas Instruments
The Leaning Tower of Pisa
Learners estimate the equation of a line, angle of elevation and depression in this math lesson. They analyze e famous landmark design and make connections to algebra and geometry. They will also generate an equation, model the x and y...
Curated OER
Explore Three-Dimensional Shapes
Students are assigned to shape groups and explore three-dimensional shapes. They review math skills and two-dimensional shapes.