Comparing and ordering numbers

  • Largest Even
    problem
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    Largest Even

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

    How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

  • Carroll Diagrams
    problem
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    Carroll Diagrams

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

    Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

  • That number square
    problem
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    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?

  • Sweetie Box
    problem

    Sweetie Box

    Age
    5 to 11
    Challenge level
    filled star empty star empty star
    Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?
  • Interactive Balance
    interactivity
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    Interactive Balance

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

    In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!

  • Dominoes Environment
    interactivity
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    Dominoes Environment

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

    These interactive dominoes can be dragged around the screen.

  • Making Pathways
    problem

    Making Pathways

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    Can you find different ways of creating paths using these paving slabs?
  • Which Scripts?
    problem
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    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?

  • Highest and Lowest
    problem
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    Highest and Lowest

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

    Put operations signs between the numbers 3, 4, 5 and 6 to make the highest possible number and lowest possible number.

  • 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?