Mental calculations

  • Down to Nothing
    game

    Down to Nothing

    Age
    7 to 11
    Challenge level
    1 out of 3

    A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

  • Criss Cross Quiz
    game

    Criss Cross Quiz

    Age
    7 to 11
    Challenge level
    1 out of 3

    A game for 2 players. Practises subtraction or other maths operations knowledge.

  • Wild Jack
    game

    Wild Jack

    Age
    7 to 11
    Challenge level
    1 out of 3

    A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

  • What is Ziffle?
    problem

    What Is Ziffle?

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you work out what a ziffle is on the planet Zargon?

  • Dicey Operations in Line for Two
    game

    Dicey Operations in Line for Two

    Age
    7 to 11
    Challenge level
    1 out of 3

    Dicey Operations for an adult and child. Can you get close to 1000 than your partner?

  • Mathdoku
    problem

    Mathdoku

    Age
    7 to 11
    Challenge level
    1 out of 3

    Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?

  • Calculator Bingo
    game

    Calculator Bingo

    Age
    7 to 11
    Challenge level
    2 out of 3

    This is a game for two players. What must you subtract to remove the rolled digit from your number? The first to zero wins!

  • Chocoholics
    problem

    Chocoholics

    Age
    7 to 11
    Challenge level
    2 out of 3

    George and Jim want to buy a chocolate bar. George needs 2p more and Jim need 50p more to buy it. How much is the chocolate bar?

  • 3 by 3 Mathdokus
    problem

    3 by 3 Mathdokus

    Age
    7 to 14
    Challenge level
    1 out of 3

    Can you use the clues to complete these 3 by 3 Mathematical Sudokus?

  • A black house number 15 on a white background, on a brick wall.
    game

    Fifteen

    Age
    7 to 14
    Challenge level
    2 out of 3

    Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.