These activities are part of our Primary collections, which are problems grouped by topic.
problem
Favourite
Let's Investigate Triangles
Age
5 to 7
Challenge level
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?
problem
Favourite
Building with Solid Shapes
Age
5 to 7
Challenge level
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?
problem
Favourite
Matching Triangles
Age
5 to 7
Challenge level
Can you sort these triangles into three different families and explain how you did it?
problem
Favourite
Inside Triangles
Age
5 to 7
Challenge level
How many different triangles can you draw on the dotty grid which each have one dot in the middle?
problem
Favourite
Triple Cubes
Age
5 to 11
Challenge level
This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.
problem
Favourite
Poly Plug Rectangles
Age
5 to 11
Challenge level
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
problem
Favourite
Data shapes
Age
5 to 7
Challenge level
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?
problem
Favourite
Paper Patchwork 1
Age
5 to 7
Challenge level
Can you work out what shape is made when this piece of paper is folded up using the crease pattern shown?
problem
Favourite
Paper Patchwork 2
Age
5 to 7
Challenge level
Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?
problem
Favourite
Paper Partners
Age
5 to 7
Challenge level
Can you describe a piece of paper clearly enough for your partner to know which piece it is?
problem
Favourite
Colouring Triangles
Age
5 to 7
Challenge level
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
problem
Favourite
Chain of Changes
Age
5 to 7
Challenge level
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?
problem
Favourite
Skeleton Shapes
Age
5 to 7
Challenge level
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
problem
Favourite
School fair necklaces
Age
5 to 11
Challenge level
How many possible symmetrical necklaces can you find? How do you know you've found them all?
problem
Favourite
Cubes Cut into Four Pieces
Age
5 to 7
Challenge level
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?
problem
Favourite
Shadow Play
Age
5 to 7
Challenge level
Here are shadows of some 3D shapes. What shapes could have made them?
problem
Favourite
Complete the Square
Age
5 to 7
Challenge level
Complete the squares - but be warned some are trickier than they look!