Sometimes it's not easy to know how to start a problem. Try talking to friend about how to start, and what sort of plan you'll have to carry on.
problem
Favourite
Beads and bags
Age
5 to 11
Challenge level
How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?
problem
Favourite
Money bags
Age
5 to 11
Challenge level
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
problem
Favourite
Which scripts?
Age
7 to 11
Challenge level
There are six numbers written in five different scripts. Can you sort out which is which?
problem
Favourite
Zios and Zepts
Age
7 to 11
Challenge level
On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?
problem
Favourite
Shape times shape
Age
7 to 11
Challenge level
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
problem
Favourite
Coded hundred square
Age
7 to 11
Challenge level
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
problem
Favourite
Bryony's triangle
Age
7 to 11
Challenge level
Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?
problem
Favourite
Amy's dominoes
Age
7 to 11
Challenge level
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
problem
Escape from the castle
Age
7 to 14
Challenge level
Skippy and Anna are locked in a room in a large castle. The key to that room, and all the other rooms, is a number. The numbers are locked away in a problem. Can you help them to get out?
problem
Favourite
This Pied Piper of Hamelin
Age
7 to 11
Challenge level
Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
problem
Tea cups
Age
7 to 14
Challenge level
Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.
problem
Favourite
Sticky triangles
Age
7 to 11
Challenge level
Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?
problem
Some secret codes
Age
7 to 11
Challenge level
Can you follow the rule to decode the messages?