Multiplication and division

problem
Fingers and hands

Age

7 to 11

Challenge level

How would you count the number of fingers in these pictures?
problem
It was 2010!

Age

5 to 11

Challenge level

If the answer's 2010, what could the question be?
problem
Which symbol?

Age

7 to 11

Challenge level

Choose a symbol to put into the number sentence.
problem
Going round in circles

Age

11 to 14

Challenge level

Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?
problem
What is the question?

Age

11 to 16

Challenge level

These pictures and answers leave the viewer with the problem "What is the Question". Can you give the question and how the answer follows?
problem
Multiples Sudoku

Age

11 to 14

Challenge level

Each clue in this Sudoku is the product of the two numbers in adjacent cells.
problem
Today's date - 01/06/2009

Age

5 to 11

Challenge level

What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself.
problem
Galley division

Age

14 to 16

Challenge level

Can you explain how Galley Division works?
problem
Debasing the coinage

Age

11 to 14

Challenge level

How much lighter will £5 worth of 5p's be with these new lighter coins?
problem
Bus route

Age

11 to 14

Challenge level

How far apart are the first and last bus stops in this bus route?