Place value

  • Dicey Addition
    problem
    Favourite

    Dicey Addition

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

    In these addition games, you'll need to think strategically to get closest to the target.

  • That number square
    problem
    Favourite

    That Number Square

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

    Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?

  • Digit Addition
    problem
    Favourite

    Digit Addition

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

    Try out this number trick. What happens with different starting numbers? What do you notice?

  • Dicey Operations in Line
    game
    Favourite

    Dicey Operations in Line

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

    In these addition, subtraction, multiplication and division games, you'll need to think strategically to get closest to the target.

  • Which Scripts?
    problem
    Favourite

    Which Scripts?

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

    There are six numbers written in five different scripts. Can you sort out which is which?

  • problem
    Favourite

    Which is Quicker?

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

    Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?

  • Trebling
    problem
    Favourite

    Trebling

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

    Can you replace the letters with numbers? Is there only one solution in each case?

  • The Deca Tree
    problem
    Favourite

    The Deca Tree

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

    Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.

  • The Thousands Game
    problem

    The Thousands Game

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

    Each child in Class 3 took four numbers out of the bag. Who had made the highest even number?

  • What Do you Need?
    problem
    Favourite

    What Do You Need?

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

    Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number. Can you sort out the clues and find the number?