Visualising and representing

  • A chopped carrot beside a whole carrot. The carrot top sits away from the chopped carrot.
    problem

    Remainders

    Age
    7 to 14
    Challenge level
    filled star filled star empty star

    I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

  • Method in multiplying madness?
    problem

    Method in multiplying madness?

    Age
    7 to 14
    Challenge level
    filled star filled star empty star

    Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

  • problem

    Three neighbours

    Age
    7 to 14
    Challenge level
    filled star filled star empty star

    Take three consecutive numbers and add them together. What do you notice?

  • Auditorium Steps
    problem

    Auditorium steps

    Age
    7 to 14
    Challenge level
    filled star filled star filled star

    What is the shape of wrapping paper that you would need to completely wrap this model?

  • 3D Stacks
    problem

    3D stacks

    Age
    7 to 14
    Challenge level
    filled star filled star filled star

    Can you find a way of representing these arrangements of balls?

  • Fruity Totals
    problem

    Fruity totals

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

    In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?

  • Isometric Areas
    problem

    Isometric areas

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    We usually use squares to measure area, but what if we use triangles instead?

  • Calendar Capers
    problem

    Calendar capers

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Choose any three by three square of dates on a calendar page...
  • Days and Dates
    problem

    Days and dates

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

  • A black goat with horns and white facial markings.
    problem

    The old goats

    Age
    11 to 14
    Challenge level
    filled star empty star empty star

    A rectangular field has two posts with a ring on top of each post. There are two quarrelsome goats and plenty of ropes which you can tie to their collars. How can you secure them so they can't fight each other but can reach every corner of the field?