2 out of 3
The planet Zog has both green and blue bank notes. Can you work out how many zogs two green and three blue bank notes are worth?
2 out of 3
Weekly Problem 52 - 2017
Sue cuts some squares from a piece of paper to make a Christmas decoration. What is the perimeter of the resulting shape?
1 out of 3
Can you find out what numbers divide these expressions? Can you prove that they are always divisors?
2 out of 3
What is the largest number which, when divided into these five numbers in turn, leaves the same remainder each time?
2 out of 3
Do you have enough information to work out the area of the shaded quadrilateral?
2 out of 3
Construct two equilateral triangles on a straight line. There are two lengths that look the same - can you prove it?
1 out of 3
Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?
1 out of 3
These two group activities use mathematical reasoning - one is numerical, one geometric.
1 out of 3
In this game the winner is the first to make the total 37. Is this a fair game?
2 out of 3
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
