Or search by topic
Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?
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?
Create a pattern on the small grid. How could you extend your pattern on the larger grid?
Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
What do you notice about these squares of numbers? What is the same? What is different?
Can you describe a piece of paper clearly enough for your partner to know which piece it is?
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?
Order these four calculations from easiest to hardest. How did you decide?
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?
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?
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?'.
Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?
This project challenges you to work out the number of cubes hidden under a cloth. What questions would you like to ask?
Can you sort these triangles into three different families and explain how you did it?
Can you spot the mistake in this video? How would you work out the answer to this calculation?
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?
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?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
Try this matching game which will help you recognise different ways of saying the same time interval.
Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
How will you work out which numbers have been used to create this multiplication square?
This task requires learners to explain and help others, asking and answering questions.
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?
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.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
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?
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
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?
Annie and Ben are playing a game with a calculator. What was Annie's secret number?
This is a game for two players. Can you find out how to be the first to get to 12 o'clock?
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?
Try out this number trick. What happens with different starting numbers? What do you notice?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Have a look at these photos of different fruit. How many do you see? How did you count?
"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 ...?
Are these statements relating to odd and even numbers always true, sometimes true or never true?
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Can you place these quantities in order from smallest to largest?
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?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Can you put these times on the clocks in order? You might like to arrange them in a circle.
What could the half time scores have been in these Olympic hockey matches?
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?
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
Ben has five coins in his pocket. How much money might he have?