Approximate values of the cosine function Simulation Play

Approximating area by rectangles Student activity Play

Are two angles equal? Student activity Play

Beams and ropes Simulation Play

Beams and ropes Whiteboard exercise Play

Beams and ropes Student activity Play

Binomial series Whiteboard presentation Play

Binomial series Class activity Play

Catalysts in industry Student activity Play

Chemical energy sources Student activity Play

Chords and diameters Student activity Play

Chords and diameters Simulation Play

Circle inscribed into a quadrilateral Simulation Play

Circle inscribed into a quadrilateral Student activity Play

Circle inscribed into a triangle Student activity Play

Compression and extension Student activity Play

Constructing a congruent angle Animation Play

Constructing a line parallel to a given line Simulation Play

Constructing a perpendicular bisector Simulation Play

Constructing a perpendicular to a given line Simulation Play

Constructing a perpendicular to line at a point off the line Simulation Play

Constructing a rectangle Whiteboard exercise Play

Constructing a rectangle Student activity Play

Constructing a rhombus Whiteboard exercise Play

Constructing a rhombus Student activity Play