Or search by topic
This collection of tasks is part of the activities for 11-14 year olds section of the Maths At Home feature. All you need to get started is a pencil and paper! The stars represent the challenge level, with three stars indicating the most challenging activities.
How many different differences can you make?
Can you crack these cryptarithms?
Find the frequency distribution for ordinary English, and use it to help you crack the code.
Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...
A monkey with peaches, keeps a fraction of them each day, gives the rest away, and then eats one. How long can his peaches last?
Can you find a cuboid that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?