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Penny Farthing
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Penny Farthing

14 to 16
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Boris' bicycle has a smaller back wheel than front wheel. Can you work out how many revolutions the front wheel made if the back wheel did 120,000?
Cut-Up Square
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Cut-up Square

14 to 16
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Weekly Problem 15 - 2015
In the diagram, two lines have been drawn in a square. What is the ratio of the areas marked?
Well Read
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Well Read

14 to 16
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If you know how many books each boy, girl and teddy bear borrowed from the library, can you work out the number of girls?
Triangles all Around
problem
Favourite

Triangles All Around

7 to 11
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Can you find all the different triangles on these peg boards, and find their angles?

Non-Transitive Dice
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Favourite

Non-transitive Dice

11 to 14
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Alison and Charlie are playing a game. Charlie wants to go first so Alison lets him. Was that such a good idea?

Fraction Lengths
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Fraction Lengths

7 to 11
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Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

Same Length Trains
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Favourite

Same Length Trains

5 to 7
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How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?

problem
Favourite

Maze 100

7 to 11
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Can you go through this maze so that the numbers you pass add to exactly 100?

article

Working with Luke

5 to 11

In this article for teachers, Liz Woodham describes conversations with Luke, aged 7, as they worked on some mathematics together.

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