problem
How tall?
Age
5 to 11
Challenge level
A group of children are discussing the height of a tall tree. How would you go about finding out its height?
problem
Little man
Age
5 to 7
Challenge level
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
problem
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
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?
problem
Fitted
Age
7 to 11
Challenge level
Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?
problem
5 on the clock
Age
7 to 11
Challenge level
On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?