Probability

  • Statistical shorts
    problem
    Favourite

    Statistical Shorts

    Age
    11 to 16
    Challenge level
    1 out of 3

    Can you decide whether these short statistical statements are always, sometimes or never true?

  • A Connect Four game with red and yellow counters placed.
    problem
    Favourite

    Connect Three

    Age
    11 to 16
    Challenge level
    2 out of 3

    In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

  • Chances are
    problem
    Favourite

    Chances Are

    Age
    14 to 16
    Challenge level
    1 out of 3

    Which of these games would you play to give yourself the best possible chance of winning a prize?

  • The Better Choice
    problem
    Favourite

    The Better Choice

    Age
    14 to 16
    Challenge level
    1 out of 3

    Here are two games you can play. Which offers the better chance of winning?

  • Last one standing
    problem
    Favourite

    Last One Standing

    Age
    14 to 16
    Challenge level
    1 out of 3

    Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?

  • problem
    Favourite

    Who's the Winner?

    Age
    14 to 16
    Challenge level
    1 out of 3

    When two closely matched teams play each other, what is the most likely result?

  • In a box
    problem
    Favourite

    In a Box

    Age
    14 to 16
    Challenge level
    2 out of 3

    Chris and Jo put two red and four blue ribbons in a box. They each pick a ribbon from the box without looking. Jo wins if the two ribbons are the same colour. Is the game fair?

  • The Birthday Bet
    problem
    Favourite

    The Birthday Bet

    Age
    14 to 16
    Challenge level
    2 out of 3

    The next ten people coming into a store will be asked their birthday. If the prize is £20, would you bet £1 that two of these ten people will have the same birthday ?

  • Same Number!
    problem
    Favourite

    Same Number!

    Age
    14 to 16
    Challenge level
    2 out of 3

    If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?

  • Mathsland National Lottery
    problem
    Favourite

    Mathsland National Lottery

    Age
    14 to 16
    Challenge level
    2 out of 3

    Can you work out the probability of winning the Mathsland National Lottery?