Applying the Pythagorean theorem Animation Play

Are you good at estimating lengths? Student activity Play

Areas of figures Student activity Play

Body waves: longitudinal P-wave and transverse S-wave Animation Play

Building a square from two squares Animation Play

Building the polygon with the biggest possible area Whiteboard exercise Play

Central and inscribed angles on the same arc Student activity Play

Central symmetry Animation Play

Changing metric units Animation Play

Chords and diameters Student activity Play

Circle theorems Whiteboard presentation Play

Circle theorems Class activity Play

Circles on water Animation Play

Circular, spherical and plane waves Whiteboard exercise Play

Circular, spherical and plane waves Student activity Play

Common polygons Student activity Play

Concave mirror, f < x ≤ 2f Whiteboard exercise Play

Concave mirror, f < x ≤2f Student activity Play

Concave mirror, x < f Student activity Play

Concave mirror, x < f Whiteboard exercise Play

Concave mirror, x > R Student activity Play

Concave mirror, x > R Whiteboard exercise Play

Constructing a perpendicular bisector Simulation Play

Construction of a circle with the diameter Animation Play

Construction of a hexagon Animation Play