Cubes Within Cubes
We start with one yellow cube and build around it to make a 3×3×3 cube with red cubes. Then we build around that red cube with blue cubes and so on. How many cubes of each colour have we used?
We start with one yellow cube and build around it to make a 3×3×3 cube with red cubes. Then we build around that red cube with blue cubes and so on. How many cubes of each colour have we used?
These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?
This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
How many solutions can you find to this sum? Each of the different letters stands for a different number.
Can you work out how these polygon pictures were drawn, and use that to figure out their angles?