You may also like

problem icon

Sense of Direction

Weekly Problem 5 - 2012
Can you work out the direction of Abbots Morton from Wyre Piddle?

problem icon

Tummy Ache

Weekly Problem 6 - 2012
Timmy, Tammy and Tommy all go to the doctors. In what order do they arrive at the surgery?

problem icon

Isosceles Meld

Weekly Problem 9 - 2012
What is the angle QPT in this diagram?

Forming Groups

Age 11 to 14 Short Challenge Level:


Seventy pupils (37 boys and 33 girls) are divided into two groups, with 40 pupils in Group 1 and 30 pupils in Group 2.

What is the difference between the number of boys in Group 1 and the number of girls in Group 2?



If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas. 

This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.