Digital encoding of sound Student activity Play

Digital encoding of sound Whiteboard exercise Play

Divisibility Student activity Play

Divisibility Whiteboard exercise Play

Divisibility by 3 and 9 Student activity Play

Divisibility by 7 Whiteboard exercise Play

Divisibility by 7 Student activity Play

Divisibility by 8 Whiteboard exercise Play

Divisibility by 8 Student activity Play

Division with remainder Student activity Play

Division with remainder – positive numbers Whiteboard exercise Play

Equal numbers Whiteboard exercise Play

Example of proof Animation Play

Finding angles Student activity Play

Finding sides Whiteboard exercise Play

Finding sides Student activity Play

Finding the missing number Whiteboard exercise Play

Finding the missing numbers Whiteboard exercise Play

Finding the missing numbers in the divisions Whiteboard exercise Play

Finding the missing power Simulation Play

Five missing numbers Whiteboard exercise Play

Forming words Student activity Play

Forming words Whiteboard exercise Play

Forming words – a password in a game Whiteboard exercise Play

Graph of a function  y = ax Student activity Play