The resonance of a pendulum Student activity Play

The results of a short test Animation Play

The sale of clothes Simulation Play

The sale of hair dye Simulation Play

The shapes that are polygons Whiteboard exercise Play

The shortest possible perimeter Animation Play

The socks Whiteboard exercise Play

The socks sales Whiteboard exercise Play

The square inscribed in a circle Animation Play

The sum of the angles in a polygon Student activity Play

The sum of the angles in a polygon Whiteboard exercise Play

The sum of the angles in an octagon Whiteboard exercise Play

The sum of the angles in the polygons Whiteboard exercise Play

The sum of the exterior angles Simulation Play

The sum of the exterior angles Student activity Play

The sum of the exterior angles in an n-sided polygon Whiteboard exercise Play

The sum of the exterior angles of a convex polygon Animation Play

The sum of the exterior angles of a convex polygon Student activity Play

The sum of the interior angles in the polygons Whiteboard exercise Play

The timbre Animation Play

The timbre Student activity Play

The timbre Whiteboard exercise Play

The velocity of wave propagation Animation Play

The velocity of wave propagation Student activity Play

The vibrating bond Animation Play