Working systematically
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problemThis challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high. -
problemWhose Face?
These are the faces of Will, Lil, Bill, Phil and Jill. Use the clues to work out which name goes with each face.
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problemToday's Date - 01/06/2009
What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself. -
problemHexPentas
How many different ways can you find of fitting five hexagons together? How will you know you have found all the ways?
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problemPossible Pieces
Can you create jigsaw pieces which are based on a square shape, with at least one peg and one hole?
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problemTrain Carriages
Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?
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problemLadybird Box
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
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problemThree by Three
Arrange 3 red, 3 blue and 3 yellow counters into a three-by-three square grid, so that there is only one of each colour in every row and every column
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problemThree Way Mix Up
Jack has nine tiles. He put them together to make a square so that two tiles of the same colour were not beside each other. Can you find another way to do it?
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problemFour Colours
Kate has eight multilink cubes. She has two red ones, two yellow, two green and two blue. She wants to fit them together to make a cube so that each colour shows on each face just once.