List

Year 2 Being Collaborative

I Like ...
problem
Favourite

I like ...

Age
5 to 7
Challenge level
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Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
En-counters
problem
Favourite

En-counters

Age
5 to 7
Challenge level
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This task requires learners to explain and help others, asking and answering questions.

Shapely Lines
problem
Favourite

Shapely lines

Age
5 to 7
Challenge level
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This challenge invites you to create your own picture using just straight lines. Can you identify shapes with the same number of sides and decorate them in the same way?

Ip Dip
problem
Favourite

Ip dip

Age
5 to 11
Challenge level
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"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

The add and take-away path
problem
Favourite

The add and take-away path

Age
5 to 7
Challenge level
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Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
Placeholder: several colourful numbers
project

How many?

This project challenges you to work out the number of cubes hidden under a cloth. What questions would you like to ask?

Order, Order!
problem
Favourite

Order, order!

Age
5 to 11
Challenge level
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Can you place these quantities in order from smallest to largest?

I'm Eight
problem
Favourite

I'm eight

Age
5 to 11
Challenge level
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Find a great variety of ways of asking questions which make 8.
What is the time?
problem
Favourite

What is the time?

Age
5 to 11
Challenge level
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Can you put these times on the clocks in order? You might like to arrange them in a circle.
Let's Investigate Triangles
problem
Favourite

Let's investigate triangles

Age
5 to 7
Challenge level
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Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

Half Time
problem
Favourite

Half time

Age
5 to 11
Challenge level
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What could the half time scores have been in these Olympic hockey matches?
Poly Plug Pattern
problem
Favourite

Poly plug pattern

Age
5 to 7
Challenge level
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Create a pattern on the small grid. How could you extend your pattern on the larger grid?

Next Domino
problem
Favourite

Next domino

Age
5 to 7
Challenge level
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Which comes next in each pattern of dominoes?
Data shapes
problem
Favourite

Data shapes

Age
5 to 7
Challenge level
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Sara and Will were sorting some pictures of shapes on cards. "I'll collect the circles," said Sara. "I'll take the red ones," answered Will. Can you see any cards they would both want?

Sticky Data
problem
Favourite

Sticky data

Age
5 to 7
Challenge level
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You'll need to work in a group on this problem. Use your sticky notes to show the answer to questions such as 'how many girls are there in your group?'.
That number square
problem
Favourite

That number square

Age
5 to 11
Challenge level
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Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Matching Time
problem
Favourite

Matching time

Age
5 to 7
Challenge level
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Try this matching game which will help you recognise different ways of saying the same time interval.

Double or Halve?
problem
Favourite

Double or halve?

Age
5 to 7
Challenge level
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Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?
Domino Sequences
problem
Favourite

Domino sequences

Age
5 to 7
Challenge level
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Find the next two dominoes in these sequences.
Dicey Addition
problem
Favourite

Dicey addition

Age
5 to 11
Challenge level
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Who said that adding couldn't be fun?
Paper Partners
problem
Favourite

Paper partners

Age
5 to 7
Challenge level
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Can you describe a piece of paper clearly enough for your partner to know which piece it is?

What's in a Name?
problem
Favourite

What's in a name?

Age
5 to 7
Challenge level
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What do you notice about these squares of numbers? What is the same? What is different?
Always, Sometimes or Never?
problem
Favourite

Always, sometimes or never?

Age
5 to 11
Challenge level
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Are these statements relating to odd and even numbers always true, sometimes true or never true?

Carroll Diagrams
problem
Favourite

Carroll diagrams

Age
5 to 11
Challenge level
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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Break it up!
problem
Favourite

Break it up!

Age
5 to 11
Challenge level
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In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?

Birthday Sharing
problem
Favourite

Birthday sharing

Age
5 to 7
Challenge level
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It's Sahila's birthday and she is having a party. How could you answer these questions using a picture, with things, with numbers or symbols?
Tables Teaser
problem
Favourite

Tables teaser

Age
5 to 7
Challenge level
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How will you work out which numbers have been used to create this multiplication square?
Cuisenaire Counting
problem
Favourite

Cuisenaire counting

Age
5 to 7
Challenge level
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Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
Digit Addition
problem
Favourite

Digit addition

Age
5 to 11
Challenge level
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Try out this number trick. What happens with different starting numbers? What do you notice?

How Many?
problem
Favourite

How many?

Age
5 to 11
Challenge level
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Have a look at these photos of different fruit. How many do you see? How did you count?
Are you well Balanced?
problem
Favourite

Are you well balanced?

Age
5 to 7
Challenge level
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Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
Cover the Camel
problem
Favourite

Cover the camel

Age
5 to 7
Challenge level
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Can you cover the camel with these pieces?
Fruity Pairs
problem
Favourite

Fruity pairs

Age
5 to 7
Challenge level
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Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?

Growing Garlic
problem
Favourite

Growing garlic

Age
5 to 11
Challenge level
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Subtraction Slip
problem
Favourite

Subtraction slip

Age
5 to 7
Challenge level
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Can you spot the mistake in this video? How would you work out the answer to this calculation?
Matching Triangles
problem
Favourite

Matching triangles

Age
5 to 7
Challenge level
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Can you sort these triangles into three different families and explain how you did it?

Strike it out
problem
Favourite

Strike it out

Age
5 to 11
Challenge level
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Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Even and odd
problem
Favourite

Even and odd

Age
5 to 7
Challenge level
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This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
Five Coins
problem
Favourite

Five coins

Age
5 to 11
Challenge level
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Ben has five coins in his pocket. How much money might he have?
Jumping squares
problem
Favourite

Jumping squares

Age
5 to 7
Challenge level
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In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.
6 Beads
problem
Favourite

6 beads

Age
5 to 7
Challenge level
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If you put three beads onto a tens/ones abacus you can make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

Colouring Triangles
problem
Favourite

Colouring triangles

Age
5 to 7
Challenge level
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Explore ways of colouring this set of triangles. Can you make symmetrical patterns?

Chain of Changes
problem
Favourite

Chain of changes

Age
5 to 7
Challenge level
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Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

The Puzzling Sweet Shop
problem
Favourite

The puzzling sweet shop

Age
5 to 11
Challenge level
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There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?
Birthday Cakes
problem
Favourite

Birthday cakes

Age
5 to 7
Challenge level
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Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?
Skeleton Shapes
problem
Favourite

Skeleton shapes

Age
5 to 7
Challenge level
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How many balls of modelling clay and how many straws does it take to make these skeleton shapes?

Hundred Square
problem
Favourite

Hundred square

Age
5 to 11
Challenge level
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A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

Ring a Ring of Numbers
problem
Favourite

Ring a ring of numbers

Age
5 to 7
Challenge level
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Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Secret Number
problem
Favourite

Secret number

Age
5 to 7
Challenge level
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Annie and Ben are playing a game with a calculator. What was Annie's secret number?

Cubes Cut into Four Pieces
problem
Favourite

Cubes cut into four pieces

Age
5 to 7
Challenge level
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Eight children each had a cube made from modelling clay. They cut them into four pieces which were all exactly the same shape and size. Whose pieces are the same? Can you decide who made each set?
Stop the Clock
problem
Favourite

Stop the clock

Age
5 to 7
Challenge level
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This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

Which symbol?
problem
Favourite

Which symbol?

Age
7 to 11
Challenge level
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Choose a symbol to put into the number sentence.