Exploring and noticing

  • Magic Vs
    problem

    Magic Vs

    Age
    7 to 11
    Challenge level
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    Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

  • Four-digit targets
    problem

    Four-digit targets

    Age
    7 to 11
    Challenge level
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    You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?

  • Coded hundred square
    problem

    Coded hundred square

    Age
    7 to 11
    Challenge level
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    This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

  • Nice or Nasty
    problem

    Nice or nasty

    Age
    7 to 11
    Challenge level
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    There are nasty versions of this dice game but we'll start with the nice ones...

  • Which symbol?
    problem

    Which symbol?

    Age
    7 to 11
    Challenge level
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    Choose a symbol to put into the number sentence.

  • The Numbers give the design
    problem

    The numbers give the design

    Age
    7 to 11
    Challenge level
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    Make new patterns from simple turning instructions. You can have a go using pencil and paper or with a floor robot.

  • Planning a School Trip
    problem

    Planning a school trip

    Age
    7 to 11
    Challenge level
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    You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.

  • Follow the numbers
    problem

    Follow the numbers

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

    What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.

  • Area and perimeter
    problem

    Area and perimeter

    Age
    7 to 11
    Challenge level
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    What can you say about these shapes? This problem challenges you to create shapes with different areas and perimeters.

  • Bryony's Triangle
    problem

    Bryony's triangle

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

    Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?