Another form of the equation of the circle Animation Play

Application of the quadratic equation Whiteboard exercise Play

Applying the equation of the tangent in exercises Student activity Play

Approximation of the area of a circle Animation Play

Archimedes' contemplation Animation Play

Arcs Student activity Play

Arcs Whiteboard exercise Play

Are two angles equal? Student activity Play

Area and circumference – calculation problems Student activity Play

Area of a circle Student activity Play

Areas of figures Student activity Play

Areas of parallelograms Student activity Play

Areas of plane shapes (2) Class activity Play

Areas of plane shapes (2) Whiteboard presentation Play

Arrangements in boxes Student activity Play

Bearing Simulation Play

Bearings Student activity Play

Calculating the area of a circle Whiteboard exercise Play

Calculating the diameter of the circle Whiteboard exercise Play

Calculating the radius Whiteboard exercise Play

Calculating the radius of the circle Whiteboard exercise Play

Calculating the radius, given the area Student activity Play

Calculations involving the calculator Animation Play

Calculations involving π Animation Play

Cardboard model of a cone Animation Play