problem
Favourite
How many times?
Age
7 to 11
Challenge level
On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
problem
Favourite
Brush loads
Age
7 to 11
Challenge level
How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
problem
Favourite
Torn shapes
Age
7 to 11
Challenge level
These rectangles have been torn. How many squares did each one have inside it before it was ripped?
problem
Favourite
Two clocks
Age
7 to 11
Challenge level
These clocks have only one hand, but can you work out what time they are showing from the information?