List

Being resourceful - Primary geometry

problem

Poly plug rectangles

Age
5 to 11
Challenge level
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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

Domino patterns

Age
5 to 7
Challenge level
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What patterns can you make with a set of dominoes?

Circles, Circles
problem

Circles, circles

Age
5 to 11
Challenge level
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Here are some arrangements of circles. How many circles would I need to make the next size up for each? Can you create your own arrangement and investigate the number of circles it needs?

Always, Sometimes or Never? KS1
problem

Always, sometimes or never? KS1

Age
5 to 7
Challenge level
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Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?

Let's Investigate Triangles
problem

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?

Building with Solid Shapes
problem

Building with solid shapes

Age
5 to 7
Challenge level
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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?

Turning Man
problem

Turning man

Age
5 to 7
Challenge level
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Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.

Matching Triangles
problem

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?

Inside Triangles
problem

Inside triangles

Age
5 to 7
Challenge level
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How many different triangles can you draw which each have one dot in the middle?

Repeating Patterns
problem

Repeating patterns

Age
5 to 7
Challenge level
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Try continuing these patterns made from triangles. Can you create your own repeating pattern?

Olympic rings
problem

Olympic rings

Age
5 to 7
Challenge level
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Can you design your own version of the Olympic rings, using interlocking squares instead of circles?

Colouring Triangles
problem

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

Chain of changes

Age
5 to 7
Challenge level
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In this activity, shapes can be arranged by changing either the colour or the shape each time. Can you find a way to do it?

Skeleton Shapes
problem

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?

problem

Three ball line up

Age
5 to 7
Challenge level
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Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.

The Third Dimension
problem

The third dimension

Age
5 to 11
Challenge level
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Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?

Complete the Square
problem

Complete the square

Age
5 to 7
Challenge level
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Complete the squares - but be warned some are trickier than they look!

Treasure Hunt
problem

Treasure hunt

Age
7 to 14
Challenge level
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Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

Round a hexagon
problem

Round a hexagon

Age
7 to 11
Challenge level
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This problem shows that the external angles of an irregular hexagon add to a circle.

Shape Draw
problem

Shape draw

Age
7 to 11
Challenge level
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Use the information on these cards to draw the shape that is being described.

Estimating angles
game
Favourite

Estimating angles

Age
7 to 14
Challenge level
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How good are you at estimating angles?

A Puzzling Cube
problem

A puzzling cube

Age
7 to 11
Challenge level
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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
problem

Square corners

Age
7 to 11
Challenge level
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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?

Let Us Reflect
problem

Let us reflect

Age
7 to 11
Challenge level
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Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?

Diagonally Square
problem

Diagonally square

Age
7 to 11
Challenge level
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Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?

Eight hidden squares
problem

Eight hidden squares

Age
7 to 14
Challenge level
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On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?

Baravelle
problem

Baravelle

Age
7 to 16
Challenge level
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What can you see? What do you notice? What questions can you ask?

Making Cuboids
problem

Making cuboids

Age
7 to 11
Challenge level
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Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?

Sponge Sections
problem

Sponge sections

Age
7 to 11
Challenge level
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You have been given three shapes made out of sponge: a sphere, a cylinder and a cone. Your challenge is to find out how to cut them to make different shapes for printing.

Cut Nets
problem

Cut nets

Age
7 to 11
Challenge level
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Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?

problem

Inky cube

Age
7 to 14
Challenge level
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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?

Ten Hidden Squares
problem

Ten hidden squares

Age
7 to 14
Challenge level
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These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?