Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?
Andy had a big bag of marbles but unfortunately the bottom of it
split and all the marbles spilled out. Use the information to find
out how many there were in the bag originally.
A 750 ml bottle of concentrated orange squash is enough to make
fifteen 250 ml glasses of diluted orange drink. How much water is
needed to make 10 litres of this drink?
Mum, Dad, Tim and Jill moved into a new house. If they cut down the
big tree, will it miss the greenhouse?
There are some water lilies in a lake. The area that they cover doubles in size every day. After 17 days the whole lake is covered. How long did it take them to cover half the lake?
Whenever a monkey has peaches, he always keeps a fraction of them each day, gives the rest away, and then eats one. How long could he make his peaches last for?
Ben passed a third of his counters to Jack, Jack passed a quarter
of his counters to Emma and Emma passed a fifth of her counters to
Ben. After this they all had the same number of counters.
Jack, Luke and Mikey demonstrate several different ways of solving this tricky-looking problem.
Go to last month's problems to see more solutions.
Who first used fractions? Were they always written in the same way? How did fractions reach us here? These are the sorts of questions which this article will answer for you.
Oware is a Mankala-like game of strategy from Ghana. Simple rules, but not so simple to win - and you'd better be good at counting! Play the computer or play a friend.