Percentages

  • The Money Maze
    problem

    The Money Maze

    Age
    7 to 11
    Challenge level
    1 out of 3
    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
    2 out of 3

    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
    2 out of 3
    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
    1 out of 3
    Tim and Beth both have a string of flags. Use the percentages to find out who has the most flags.
  • Small tomato seedlings in pink pots.
    problem

    Better Spelling

    Age
    11 to 14
    Challenge level
    1 out of 3

    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
    1 out of 3

    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?

  • Small pepper seedlings in turquoise pots.
    problem

    Margins

    Age
    11 to 14
    Challenge level
    2 out of 3

    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?

  • Small tomato seedlings in pink pots.
    problem

    Slightly Outnumbered

    Age
    11 to 14
    Challenge level
    3 out of 3

    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
    2 out of 3

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

  • Small tomato seedlings in pink pots.
    problem

    Pied Piper

    Age
    14 to 16
    Challenge level
    1 out of 3

    How many rats did the Pied Piper catch?