Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?
There are six numbers written in five different scripts. Can you sort out which is which?
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?