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Small pepper seedlings in orange pots.
problem

To Run or Not to Run?

11 to 14

If an athlete takes 10 minutes longer to walk, run and cycle three miles than he does to cycle all three miles, how long does it take him?

Small pepper seedlings in orange pots.
problem

Doubly Consecutive Sums

11 to 14

How many numbers less than 2017 are both the sum of two consecutive integers and the sum of five consecutive integers?

Small pepper seedlings in turquoise pots.
problem

Four Cubes

14 to 16

Four cubes are placed together to make a cuboid. What is the surface area of this cuboid?

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.

Magic Crosses
problem

Magic Crosses

7 to 14

Can you find examples of magic crosses? Can you find all the possibilities?

Digit Addition
problem
Favourite

Digit Addition

7 to 11

Try out this number trick. What happens with different starting numbers? What do you notice?

Odds and Evens
problem
Favourite

Odds and Evens

11 to 14

Are these games fair? How can you tell?

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