Addition and subtraction

  • problem
    Favourite

    The Amazing Splitting Plant

    Age
    5 to 7
    Challenge level
    3 out of 3

    Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?

  • 2, 4, 6, 8
    problem
    Favourite

    2, 4, 6, 8

    Age
    5 to 7
    Challenge level
    3 out of 3

    Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?

  • Number Round Up
    problem
    Favourite

    Number Round Up

    Age
    5 to 7
    Challenge level
    3 out of 3

    Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

  • The tomato and the bean
    problem
    Favourite

    The Tomato and the Bean

    Age
    5 to 7
    Challenge level
    3 out of 3

    At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?

  • problem
    Favourite

    The Brown Family

    Age
    5 to 7
    Challenge level
    3 out of 3

    Use the information about Sally and her brother to find out how many children there are in the Brown family.

  • The Tall Tower
    problem
    Favourite

    The Tall Tower

    Age
    5 to 7
    Challenge level
    3 out of 3

    As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

  • Always, Sometimes or Never?
    problem
    Favourite

    Always, Sometimes or Never?

    Age
    5 to 11
    Challenge level
    1 out of 3

    Are these statements relating to odd and even numbers always true, sometimes true or never true?

  • I'm Eight
    problem
    Favourite

    I'm Eight

    Age
    5 to 11
    Challenge level
    1 out of 3

    Find a great variety of ways of asking questions which make 8.

  • Totality
    problem
    Favourite

    Totality

    Age
    5 to 11
    Challenge level
    1 out of 3

    This is an adding game for two players. Can you be the first to reach the target?

  • Strike it out
    problem
    Favourite

    Strike It Out

    Age
    5 to 11
    Challenge level
    1 out of 3

    Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.