Combinations

  • Snakes
    problem

    Snakes

    Age
    5 to 7
    Challenge level

    Explore the different snakes that can be made using 5 cubes.

  • Multicoloured socks lying next to each other.
    problem

    Mixed-Up Socks

    Age
    5 to 7
    Challenge level

    Start with three pairs of socks. Now mix them up so that no mismatched pair is the same as another mismatched pair. Is there more than one way to do it?

  • A cricket on a leaf.
    problem

    Jumping Cricket

    Age
    5 to 7
    Challenge level

    El Crico the cricket has to cross a square patio to get home. He can jump the length of one tile, two tiles and three tiles. Can you find a path that would get El Crico home in three jumps?

  • Briefcase Lock
    problem

    Briefcase Lock

    Age
    5 to 7
    Challenge level
    My briefcase has a three-number combination lock, but I have forgotten the combination. I remember that there's a 3, a 5 and an 8. How many possible combinations are there to try?
  • Mrs Beeswax
    problem

    Mrs Beeswax

    Age
    5 to 7
    Challenge level

    In how many ways could Mrs Beeswax put ten coins into her three puddings so that each pudding ended up with at least two coins?

  • Nineteen Hexagons
    problem

    Nineteen Hexagons

    Age
    5 to 7
    Challenge level
    In this maze of hexagons, you start in the centre at 0. The next hexagon must be a multiple of 2 and the next a multiple of 5. What are the possible paths you could take?
  • Triangle Edges
    problem

    Triangle Edges

    Age
    5 to 7
    Challenge level

    How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?

  • Here to There 1 2 3
    problem

    Here to There 1 2 3

    Age
    5 to 7
    Challenge level

    Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?

  • Two and One
    problem

    Two and One

    Age
    5 to 7
    Challenge level

    Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?

  • Four-Triangle Arrangements
    problem

    Four-Triangle Arrangements

    Age
    5 to 7
    Challenge level

    How many different shapes can you make by putting four right- angled isosceles triangles together?

Displaying 41 - 50 of 148