Combinations

  • Octa Space
    problem

    Octa Space

    Age
    7 to 11
    Challenge level
    In the planet system of Octa the planets are arranged in the shape of an octahedron. How many different routes could be taken to get from Planet A to Planet Zargon?
  • Homes
    problem

    Homes

    Age
    5 to 7
    Challenge level

    Six new homes are being built! They can be detached, semi-detached or terraced houses. How many different combinations of these can you find?

  • Red Express Train
    problem

    Red Express Train

    Age
    5 to 7
    Challenge level
    The Red Express Train usually has five red carriages. How many ways can you find to add two blue carriages?
  • The School Trip
    problem

    The School Trip

    Age
    5 to 7
    Challenge level
    Lorenzie was packing his bag for a school trip. He packed four shirts and three pairs of pants. "I will be able to have a different outfit each day", he said. How many days will Lorenzie be away?
  • Fair Exchange
    problem

    Fair Exchange

    Age
    5 to 7
    Challenge level

    In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?

  • What Shape and Colour?
    problem

    What Shape and Colour?

    Age
    5 to 7
    Challenge level

    Can you fill in the empty boxes in the grid with the right shape and colour?

  • 3 blocks towers
    problem

    Three Block Towers

    Age
    5 to 7
    Challenge level

    Take three differently coloured blocks - maybe red, yellow and blue. Make a tower using one of each colour. How many different towers can you make?

  • Snakes
    problem

    Snakes

    Age
    5 to 7
    Challenge level

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

  • Jumping Cricket
    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?
Displaying 41 - 50 of 150