You have already used Magic Squares, now meet an Anti-Magic Square. Its properties are slightly different, but can you still solve it...
Repeat a pattern of numbers to form a larger number. Can you find the sum of all the digits?
Find a number between 100 and 999 that has its middle digit equal to the sum of the other two digits. Can you find all possibilities?
If p is a positive integer and q is a negative integer, which of these expressions is the greatest?
The sum of each column and row in this grid give the totals as shown. What number goes in the starred square?
In the diagram in the question, how many squares, of any size, are there whose entries add up to an even total?
Can you solve this magic square?
Bilbo and Frodo use a rhyme as they count their own cherry stones - where will they finish if they count all stones together?
Tony and Tina can't work out which of them owes what to the other. Can you?
How many ways can Gill, the baby, arrange the letters in her name?
In how many ways can you give change for a ten pence piece?
Arrange these three famous mathematicians in order with the shortest-lived first.
How far apart are the first and last bus stops in this bus route?
Jack does a 20-question quiz. How many questions didn't he attempt?
I have a max/min thermometer in my greenhouse. What were the maximum and minimum temperatures recorded when I looked at it on Wednesday evening?
Gar the Magician plays a card trick on his friends Kan and Roo. Can you work out his trick and find out the sum on Kan's cards?
Can you DISCOVER the smallest solution to this word problem...
What is the largest number of digits that could be erased from this 1000-digit number, to get a surprising result?
Can you find a number that is half way between these two fractions?
The product of four different positive integers is 100. What is the sum of these four integers?
Alberta won't reveal her age. Can you work it out from these clues?
From only the page numbers on one sheet of newspaper, can you work out how many sheets there are altogether?
Can you find a number and its double using the digits $1$ to $9$ only once each?
"It would take 20 million years to fill Morecambe Bay from a bath tap". What does this imply is the approximate capacity of Morecambe Bay?