Exploring and noticing

  • Factors and Multiples Game
    game
    Favourite

    Factors and Multiples Game

    Age
    7 to 16
    Challenge level
    1 out of 3

    A game in which players take it in turns to choose a number. Can you block your opponent?

  • Xavi's T-shirt
    problem
    Favourite

    Xavi's T-Shirt

    Age
    7 to 16
    Challenge level
    1 out of 3

    How much can you read into a T-shirt?

  • Almost One
    problem
    Favourite

    Almost One

    Age
    11 to 14
    Challenge level
    1 out of 3

    Choose some fractions and add them together. Can you get close to 1?

  • Angles inside
    problem
    Favourite

    Angles Inside

    Age
    11 to 14
    Challenge level
    1 out of 3

    Draw some angles inside a rectangle. What do you notice? Can you prove it?

  • Climbing Complexity
    problem
    Favourite

    Climbing Complexity

    Age
    11 to 14
    Challenge level
    1 out of 3

    In the 2020 Olympic Games, sport climbing was introduced for the first time, and something very interesting happened with the scoring system. Can you find out what was interesting about it?

  • Days and Dates
    problem
    Favourite

    Days and Dates

    Age
    11 to 14
    Challenge level
    1 out of 3

    Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

  • A green frog.
    problem
    Favourite

    Frogs

    Age
    11 to 14
    Challenge level
    1 out of 3

    How many moves does it take to swap over some red and blue frogs? Do you have a method?

  • Largest product
    problem
    Favourite

    Largest Product

    Age
    11 to 14
    Challenge level
    1 out of 3

    Which set of numbers that add to 100 have the largest product?

  • Some old-fashioned cinema tickets.
    problem
    Favourite

    Cinema Problem

    Age
    11 to 14
    Challenge level
    1 out of 3

    A cinema has 100 seats. How can ticket sales make £100 for these different combinations of ticket prices?

  • Shady Symmetry
    problem
    Favourite

    Shady Symmetry

    Age
    11 to 14
    Challenge level
    1 out of 3

    How many different symmetrical shapes can you make by shading triangles or squares?