Working systematically

  • Stop the Clock
    problem
    Favourite

    Stop the Clock

    Age
    5 to 7
    Challenge level
    3 out of 3

    This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

  • Magnifying glass
    problem
    Favourite

    Number Detective

    Age
    5 to 11
    Challenge level
    1 out of 3

    Follow the clues to find the mystery number.

  • Break it up!
    problem
    Favourite

    Break It Up!

    Age
    5 to 11
    Challenge level
    1 out of 3

    In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?

  • Jig Shapes
    problem
    Favourite

    Jig Shapes

    Age
    5 to 11
    Challenge level
    1 out of 3

    Can you each work out what shape you have part of on your card? What will the rest of it look like?

  • Half Time
    problem
    Favourite

    Half Time

    Age
    5 to 11
    Challenge level
    1 out of 3

    What could the half time scores have been in these Olympic hockey matches?

  • problem
    Favourite

    Teddy Town

    Age
    5 to 11
    Challenge level
    2 out of 3

    There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

  • Five Coins
    problem
    Favourite

    Five Coins

    Age
    5 to 11
    Challenge level
    2 out of 3

    Ben has five coins in his pocket. How much money might he have?

  • problem
    Favourite

    The Puzzling Sweet Shop

    Age
    5 to 11
    Challenge level
    2 out of 3

    There were cola bottles for 2p, mini eggs for 3p, marshmallow twists for 5p and lollipops for 7p in the sweet shop. What could each of the children buy with their money?

  • problem
    Favourite

    Money Bags

    Age
    5 to 11
    Challenge level
    2 out of 3

    Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?

  • Growing Garlic
    problem
    Favourite

    Growing Garlic

    Age
    5 to 11
    Challenge level
    2 out of 3

    Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?