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Getting to Know Your Quadrilaterals
The problems and games in this feature will challenge you to visualise quadrilaterials and may help you gain a better understanding of their properties.
The last day for sending in solutions to the live problems is Monday 15 May.
Complete the Square
Age 5 to 7
Challenge Level 
Complete the squares - but be warned some are trickier than they look!
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?
Seeing Squares
Age 5 to 11
Challenge Level
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Square Corners
Age 7 to 11
Challenge Level
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?
Seeing Parallelograms
Age 7 to 11
Challenge Level
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
Stringy Quads
Age 7 to 11
Challenge Level
This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!
Seeing Rhombuses
Age 7 to 11
Challenge Level
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.
Eight Hidden Squares
Age 7 to 14
Challenge Level
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?
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Digging Into Geometry
Dig deeply into geometrical ideas by having a go at the tasks in this Primary student feature.
