Inscribed angle in a semicircle Student activity Play

Is a practical demonstration reliable? Whiteboard exercise Play

Is a practical demonstration reliable? Student activity Play

Isosceles triangles – solving problems Whiteboard exercise Play

Length constructions Student activity Play

Length constructions Simulation Play

Length contraction (Lorentz-Fitzgerald contraction) Student activity Play

Length contraction (Lorentz-Fitzgerald contraction) Glossary Play

Length contraction (Lorentz-Fitzgerald contraction) Whiteboard exercise Play

Length of a side of a cube Whiteboard exercise Play

Length of pencils Animation Play

Lengths of edges of the cubes Whiteboard exercise Play

Lens equation and magnification Whiteboard exercise Play

Lens equation and magnification Student activity Play

Local and global extrema Whiteboard exercise Play

Local extrema Animation Play

Local extrema Student activity Play

Local extrema and critical points Student activity Play

Local extrema and critical points Whiteboard exercise Play

Local extrema, stationary points, critical points Class activity Play

Local extrema, stationary points, critical points Whiteboard presentation Play

Local extremum points Student activity Play

Local extremum points Whiteboard exercise Play

Local maxima and global maximum Student activity Play

Local maximum and local minimum points Student activity Play