Arrangements – ten explorers Whiteboard exercise Play

Arrangements – throwing a die Whiteboard exercise Play

Assembling like terms Student activity Play

Association of vector addition Animation Play

Associativity of vector addition Whiteboard exercise Play

Astronomical numbers Animation Play

Astronomical unit Animation Play

Asymptotes of a rational function Animation Play

Asymptotes of a simple rational function Animation Play

Asymptotic behaviour Student activity Play

Asymptotic behaviour Simulation Play

At least one boy in a family Whiteboard exercise Play

ATP and WTA tournaments Student activity Play

ATP tournament Whiteboard exercise Play

Attaching the measure to the angle Animation Play

Average Animation Play

Average monthly temperatures Whiteboard exercise Play

Average of the Earth's density Animation Play

Average price Whiteboard exercise Play

Average result Whiteboard exercise Play

Average speed Student activity Play

Average speed Whiteboard exercise Play

Average speed Animation Play

Average speed in the mountains Animation Play

Averages Class activity Play

Averages Whiteboard presentation Play

Axially symmetric figures Animation Play

Axis of symmetry and the factor form of a quadratic function Student activity Play

Axis of symmetry and the factor form of a quadratic function Whiteboard exercise Play

Back-to-back stemplot Student activity Play