Dividing numbers in standard index form Animation Play

Division involving irrational numbers Student activity Play

Division involving irrational numbers Whiteboard exercise Play

Division of rational numbers Whiteboard exercise Play

Division of rational numbers Student activity Play

Division with remainder – positive numbers Whiteboard exercise Play

Encoding numbers Student activity Play

Equal numbers Whiteboard exercise Play

Equal numbers – wrong steps in proof Whiteboard exercise Play

Equally accurate rounding Student activity Play

Explain and justify Class activity Play

Explain and justify Whiteboard presentation Play

Factors of numbers Whiteboard exercise Play

Facts and assumptions – prime numbers Whiteboard exercise Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play

Fermat numbers Whiteboard exercise Play

Field size and the numbers of partridges Animation Play

Finding numbers Animation Play

Finding the missing numbers Whiteboard exercise Play

Finding the missing numbers in the divisions Whiteboard exercise Play

Finding the nth term of a sequence Class activity Play

Finding the nth term of a sequence Whiteboard presentation Play

Finding the numbers in the given ratio Whiteboard exercise Play

Finding the numbers in the given ratio Student activity Play

Finding the numbers that satisfy the inequalities Whiteboard exercise Play