Addition and subtraction

  • Number Lines
    problem
    Favourite

    Number Lines

    Age
    5 to 7
    Challenge level
    1 out of 3

    Leah and Tom each have a number line. Can you work out where their counters will land?

  • Tug of War
    problem
    Favourite

    Tug of War

    Age
    5 to 7
    Challenge level
    1 out of 3

    Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

  • Shut the box
    problem
    Favourite

    Shut the Box

    Age
    5 to 7
    Challenge level
    1 out of 3

    An old game with lots of arithmetic!

  • Sort them out (1)
    problem
    Favourite

    Sort Them Out (1)

    Age
    5 to 7
    Challenge level
    1 out of 3

    Can you each work out the number on your card? What do you notice? How could you sort the cards?

  • Even and odd
    problem
    Favourite

    Even and Odd

    Age
    5 to 7
    Challenge level
    1 out of 3

    This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?

  • problem
    Favourite

    Pairs of Numbers

    Age
    5 to 7
    Challenge level
    1 out of 3

    If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?

  • The add and take-away path
    problem
    Favourite

    The Add and Take-Away Path

    Age
    5 to 7
    Challenge level
    1 out of 3

    Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?

  • What was in the Box?
    problem
    Favourite

    What Was in the Box?

    Age
    5 to 7
    Challenge level
    1 out of 3

    This box does something to the numbers that go into it. If you know the numbers that come out, what might be going on inside the box?

  • problem
    Favourite

    Two Numbers Under the Microscope

    Age
    5 to 7
    Challenge level
    1 out of 3

    This investigates one particular property of number by looking closely at an example of adding two odd numbers together.

  • Ring of Numbers
    problem
    Favourite

    Ring of Numbers

    Age
    5 to 7
    Challenge level
    1 out of 3

    Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.