These Stage 1 and 2 problems haven't been solved yet. Why not take a look?
Follow the clues to find the mystery number.
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.
Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?
Can you find any two-digit numbers that satisfy all of these statements?