Each letter stands for a different digit, and S is non-zero. Which letter has the lowest value?

What is the difference between the sum of the first 2014 odd numbers and the sum of the first 2014 even numbers?

Can you find the missing digits in this calculation?

Two of the numbers in a 4x4 magic square have been swapped. Can you work out the sum of these numbers?

Can you work out how long it will take for John to walk to and from school?

Can you work out the values of the digits in this addition sum?

How many hot dogs did this hot dog lover eat on the first day of her binge?

Can you work out the sum of the missing digits in this subtraction?

Aroon says his age is 50 years, 50 months, 50 weeks and 50 days. What age will he be on his next birthday?

77 is multiplied by another two-digit number with identical digits. What is the product?

What does the sum of these three numbers tell us about their product?

How far apart are the first and last bus stops in this bus route?

How much lighter will £5 worth of 5p's be with these new lighter coins?

Can you work out the values of J, M and C in this sum?

Use 2 straight lines to split the clock face into 3 parts so that the sums of the numbers in each of the parts are equal.

How many solutions can you find to this sum? Each of the different letters stands for a different number.

How many tables of each type does Mark need at his birthday party?

Dan and Ann have 9 and 8 coins respectively. What is the smallest number of coins they must swap so they end up with equal amounts of money.

"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?

At the beginning and end of Alan's journey, his milometer showed a palindromic number. Can you find his maximum possible average speed?

What symbol should be inserted to make the equation true?

The sum of ten distinct positive integers is 100. What is the largest possible value of one of the numbers?

Can you solve this 'KANGAROO' alphanumeric subtraction?

Can you work out how many quizzes have to be played before we have a winner?

In this addition each letter stands for a different digit, with S standing for 3. What is the value of YxO?

When Jim rolled some dice, the scores had the same product and sum. How many dice did Jim roll?

If Clara spends £23 on books and magazines, how many of each does she buy?

How many questions did Sarah answer correctly in this multiple choice exam?

Can you choose one number from each row and column in this grid to form the largest possibe product?

Can you work out how many of each kind of pencil this student bought?

What could be the scores from five throws of this dice?

How many different bunches of flowers can this class buy for their teacher?

You may have met Magic Squares, now meet an Anti-Magic Square. Its properties are slightly different - can you still solve it?

Can you work out the solution to this tricky summation problem?

Three different integers have a sum of 1 and a product of 36 - what are they?

What is the largest number of digits that could be erased from this 1000-digit number, to get a surprising result?

Choose the digits $a$ and $b$ so that this number is divisible by 55.

How many positive two-digit numbers are there whose square and cube both end in the same digit?

What is the last digit in this calculation involving powers?