Percentages

  • The Money Maze
    problem

    The Money Maze

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    Go through the maze, collecting and losing your money as you go. Which route gives you the highest return? And the lowest?
  • Are you a Smart Shopper?
    problem

    Are You a Smart Shopper?

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    In a town there are three supermarkets which each have a special deal on some products. If you bought all your shopping in one shop, which would be the cheapest?

  • The Magic Number and the Hepta-Tree
    problem

    The Magic Number and the Hepta-Tree

    Age
    7 to 11
    Challenge level
    filled star filled star empty star
    Find the exact difference between the largest ball and the smallest ball on the Hepta Tree and then use this to work out the MAGIC NUMBER!
  • Put out the Flags
    problem

    Put Out the Flags

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Tim and Beth both have a string of flags. Use the percentages to find out who has the most flags.
  • Better Spelling
    problem

    Better Spelling

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Weekly Problem 12 - 2010
    Can Emily increase her average test score to more than $80$%? Find out how many more tests she must take to do so.

  • Retiring to paradise
    problem

    Retiring to Paradise

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    When Charlie retires, he's looking forward to the quiet life, whereas Alison wants a busy and exciting retirement. Can you advise them on where they should go?

  • Margins
    problem

    Margins

    Age
    11 to 14
    Challenge level
    filled star filled star empty star

    Weekly Problem 16 - 2008
    A 30cm x 40cm page of a book includes a 2cm margin on each side... What percentage of the page is occupied by the margins?

  • Slightly Outnumbered
    problem

    Slightly Outnumbered

    Age
    11 to 14
    Challenge level
    filled star filled star filled star

    If this class contains between $45$% and $50$% girls, what is the smallest possible number of girls in the class?

  • Trusting the Tabloids
    problem

    Trusting the Tabloids

    Age
    11 to 16
    Challenge level
    filled star filled star empty star

    Can you match the cards and figure out whether the tabloid headlines can be trusted?

  • Pied Piper
    problem

    Pied Piper

    Age
    14 to 16
    Challenge level
    filled star empty star empty star

    How many rats did the Pied Piper catch?