game
Dicey operations in line for two
Dicey Operations for an adult and child. Can you get close to 1000 than your partner?
Mental calculations
problem
Bochap sudoku
Age
11 to 16
Challenge level
This Sudoku combines all four arithmetic operations.
problem
Prime magic
Age
7 to 16
Challenge level
Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?
problem
What is ziffle?
Age
7 to 11
Challenge level
Can you work out what a ziffle is on the planet Zargon?
problem
Chocoholics
Age
7 to 11
Challenge level
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?
game
Domino magic rectangle
An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...
game
Fifteen
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
problem
Is it magic or is it maths?
Age
11 to 14
Challenge level
Here are three 'tricks' to amaze your friends. But the really
clever trick is explaining to them why these 'tricks' are maths not
magic. Like all good magicians, you should practice by trying them.
Can you explain how they work?
game
Down to nothing
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.
game
Pass the peas, please
A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!