problem
Creating cubes
Age
7 to 11
Challenge level
Arrange 9 red cubes, 9 blue cubes and 9 yellow cubes into a large 3 by 3 cube. No row or column of cubes must contain two cubes of the same colour.
problem
Number sandwiches
Age
7 to 14
Challenge level
Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?
problem
Sweets in a box
Age
7 to 11
Challenge level
How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?
problem
Making maths: birds from an egg
Age
7 to 11
Challenge level
Can you make the birds from the egg tangram?