Or search by topic
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
If you count from 1 to 20 and clap more loudly on the numbers in the two times table, as well as saying those numbers loudly, which numbers will be loud?
Sort the houses in my street into different groups. Can you do it in any other ways?
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
An environment which simulates working with Cuisenaire rods.
Complete the squares - but be warned some are trickier than they look!
Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?
Here are shadows of some 3D shapes. What shapes could have made them?
Some children were playing a game. Make a graph or picture to show how many ladybirds each child had.
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?
Can you fill in the empty boxes in the grid with the right shape and colour?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
At the beginning of May Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?
What do you notice about these squares of numbers? What is the same? What is different?
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
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?
We have a box of cubes, triangular prisms, cones, cuboids, cylinders and tetrahedrons. Which of the buildings would fall down if we tried to make them?
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?
Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?
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?
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?
How would you find out how many football cards Catrina has collected?
Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?
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?
On Friday the magic plant was only 2 centimetres tall. Every day it doubled its height. How tall was it on Monday?
Ben has five coins in his pocket. How much money might he have?
Noah saw 12 legs walk by into the Ark. How many creatures did he see?
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?