List

Year 8 Visualising and representing

Subtraction Surprise
problem

Subtraction surprise

Age
7 to 14
Challenge level
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Try out some calculations. Are you surprised by the results?
Method in multiplying madness?
problem

Method in multiplying madness?

Age
7 to 14
Challenge level
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Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
Isometric Areas
problem

Isometric areas

Age
11 to 14
Challenge level
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We usually use squares to measure area, but what if we use triangles instead?

Frogs
problem

Frogs

Age
11 to 14
Challenge level
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How many moves does it take to swap over some red and blue frogs? Do you have a method?
Fence it
problem

Fence it

Age
11 to 14
Challenge level
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If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Isosceles Triangles
problem

Isosceles triangles

Age
11 to 14
Challenge level
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Draw some isosceles triangles with an area of $9$cm$^2$ and a vertex at (20,20). If all the vertices must have whole number coordinates, how many is it possible to draw?

Charlie's delightful machine
problem

Charlie's delightful machine

Age
11 to 16
Challenge level
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Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

Your number was...
problem

Your number was...

Age
11 to 14
Challenge level
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Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?
What numbers can we make?
problem

What numbers can we make?

Age
11 to 14
Challenge level
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Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?

Constructing Triangles
problem

Constructing triangles

Age
11 to 14
Challenge level
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Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

Triangles in a Square
problem

Triangles in a square

Age
11 to 14
Challenge level
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What are the possible areas of triangles drawn in a square?

Multiple Surprises
problem

Multiple surprises

Age
11 to 16
Challenge level
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Sequences of multiples keep cropping up...
More Isometric Areas
problem

More isometric areas

Age
11 to 14
Challenge level
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Isometric Areas explored areas of parallelograms in triangular units. Here we explore areas of triangles...

Coordinate Patterns
problem

Coordinate patterns

Age
11 to 14
Challenge level
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Charlie and Alison have been drawing patterns on coordinate grids. Can you picture where the patterns lead?
Stars
problem

Stars

Age
11 to 14
Challenge level
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Can you work out what step size to take to ensure you visit all the dots on the circle?
Route to infinity
problem

Route to infinity

Age
11 to 14
Challenge level
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Can you describe this route to infinity? Where will the arrows take you next?
Cuboid challenge
problem

Cuboid challenge

Age
11 to 16
Challenge level
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What's the largest volume of box you can make from a square of paper?

Always a multiple?
problem

Always a multiple?

Age
11 to 14
Challenge level
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Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

Seven Squares
problem

Seven squares

Age
11 to 14
Challenge level
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Watch these videos to see how Phoebe, Alice and Luke chose to draw 7 squares. How would they draw 100?
Same Answer
problem

Same answer

Age
11 to 14
Challenge level
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Aisha's division and subtraction calculations both gave the same answer! Can you find some more examples?
Fibonacci Surprises
problem

Fibonacci surprises

Age
11 to 14
Challenge level
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Play around with the Fibonacci sequence and discover some surprising results!