![Number match](/sites/default/files/styles/medium/public/thumbnails/content-id-6937-icon.png?itok=yALZ7u94)
problem
Number match
A task which depends on members of the group noticing the needs of others and responding.
![Fraction Match](/sites/default/files/styles/medium/public/thumbnails/content-id-6938-icon.png?itok=Je0O9lK1)
problem
Fraction Match
A task which depends on members of the group noticing the needs of others and responding.
![If the World Were a Village](/sites/default/files/styles/medium/public/thumbnails/content-id-7725-icon.png?itok=4f3SeRrg)
problem
If the World Were a Village
This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?
![Ordering cards](/sites/default/files/styles/medium/public/thumbnails/content-id-8058-icon.png?itok=dNwJ9YCR)
problem
Ordering cards
This problem is designed to help children to learn, and to use, the two and three times tables.
![Strike it Out](/sites/default/files/styles/medium/public/thumbnails/content-id-6589-icon.gif?itok=PtQ_v8tW)
problem
Strike it Out
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
![4 Dom](/sites/default/files/styles/medium/public/thumbnails/content-00-09-letme2-icon.png?itok=CUtems6A)
problem
4 Dom
Use these four dominoes to make a square that has the same number of dots on each side.
![How do you do it?](/sites/default/files/styles/medium/public/thumbnails/content-id-6901-icon.gif?itok=DU3xchZB)
problem
How do you do it?
This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.
![Planning a School Trip](/sites/default/files/styles/medium/public/thumbnails/content-id-6969-icon.png?itok=EHfUZY3X)
problem
Planning a School Trip
You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.
![Stick images](/sites/default/files/styles/medium/public/thumbnails/content-id-6980-icon.jpg?itok=BpAPGYrK)
problem
Stick images
This task requires learners to explain and help others, asking and answering questions.
![Journeys in Numberland](/sites/default/files/styles/medium/public/thumbnails/content-id-7285-icon.jpg?itok=G_TGMSH-)
problem
Journeys in Numberland
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
![Fifteen cards](/sites/default/files/styles/medium/public/thumbnails/content-id-7506-icon.png?itok=z3XnnkJh)
![Take three numbers](/sites/default/files/styles/medium/public/thumbnails/content-id-8063-icon.png?itok=xAzr90zq)
problem
Take three numbers
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
![Matching fractions](/sites/default/files/styles/medium/public/thumbnails/content-id-8283-icon.gif?itok=NNFU_a6q)
problem
Matching fractions
Can you find different ways of showing the same fraction? Try this matching game and see.
![How many Times?](/sites/default/files/styles/medium/public/thumbnails/content-00-01-penta3-icon.jpg?itok=0F_QWl3d)
problem
How many Times?
On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
![A Puzzling Cube](/sites/default/files/styles/medium/public/thumbnails/content-02-11-penta2-icon.gif?itok=u4U-S5fM)
problem
A Puzzling Cube
Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?
![Square Corners](/sites/default/files/styles/medium/public/thumbnails/content-02-11-penta4-icon.gif?itok=9M-qCvJY)
problem
Square Corners
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
![Clocks](/sites/default/files/styles/medium/public/thumbnails/content-03-07-letme1-icon.gif?itok=AfiG27hg)
![Number Differences](/sites/default/files/styles/medium/public/thumbnails/content-id-2790-icon.jpg?itok=19is85tw)
problem
Number Differences
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
![Real Statistics](/sites/default/files/styles/medium/public/thumbnails/content-id-4938-icon.png?itok=980FQcan)
problem
Real Statistics
Have a look at this table of how children travel to school. How does it compare with children in your class?
![Magic Vs](/sites/default/files/styles/medium/public/thumbnails/content-id-6274-icon.png?itok=dRZNbkAI)
problem
Magic Vs
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
![Coded hundred square](/sites/default/files/styles/medium/public/thumbnails/content-id-6554-icon.png?itok=NQUPJ0QK)
problem
Coded hundred square
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
![Arranging cubes](/sites/default/files/styles/medium/public/thumbnails/content-id-6973-icon.jpg?itok=jGoF3oZR)
problem
Arranging cubes
A task which depends on members of the group working collaboratively to reach a single goal.
![The time is ...](/sites/default/files/styles/medium/public/thumbnails/content-id-7384-icon.png?itok=D5YO9EPa)
problem
The time is ...
Can you put these mixed-up times in order? You could arrange them in a circle.
![Roll these Dice](/sites/default/files/styles/medium/public/thumbnails/content-98-10-bbprob2-icon.png?itok=cj85bw5d)
problem
Roll these Dice
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
![Three neighbours](/sites/default/files/styles/medium/public/thumbnails/content-id-8108-icon.gif?itok=eZEBmBsF)
![Domino Square](/sites/default/files/styles/medium/public/thumbnails/content-99-03-letme1-icon.png?itok=UxMI7cdW)
problem
Domino Square
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
![Sealed Solution](/sites/default/files/styles/medium/public/thumbnails/content-03-06-penta4-icon.gif?itok=doeBT_KV)
problem
Sealed Solution
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
![Got It](/sites/default/files/styles/medium/public/thumbnails/content-02-01-game1-icon.png?itok=YpX97D5X)
problem
Got It
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
![Two Clocks](/sites/default/files/styles/medium/public/thumbnails/content-id-4806-icon.png?itok=W95kmVAi)
problem
Two Clocks
These clocks have only one hand, but can you work out what time they are showing from the information?
![How Much Did it Cost?](/sites/default/files/styles/medium/public/thumbnails/content-id-5949-icon.png?itok=uEtvooD9)
problem
How Much Did it Cost?
Use your logical-thinking skills to deduce how much Dan's crisps and ice-cream cost altogether.
![Inky Cube](/sites/default/files/styles/medium/public/thumbnails/content-id-7241-icon.jpg?itok=RLwPEkH8)
problem
Inky Cube
This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?
![Dice in a Corner](/sites/default/files/styles/medium/public/thumbnails/content-id-8586-icon.png?itok=afailiuC)
problem
Dice in a Corner
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
![Watch the clock](/sites/default/files/styles/medium/public/thumbnails/content-00-01-penta2-icon.jpg?itok=dg4uLtYD)
problem
Watch the clock
During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?
![5 on the clock](/sites/default/files/styles/medium/public/thumbnails/content-98-10-penta1-icon.gif?itok=pvYbgg49)
problem
5 on the clock
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?
![Board Block Challenge](/sites/default/files/styles/medium/public/thumbnails/content-id-2872-icon.png?itok=svHU_0aY)
problem
Board Block Challenge
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?