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Worms

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?

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Which Scripts?

There are six numbers written in five different scripts. Can you sort out which is which?

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Highest and Lowest

Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.

Various Venns

Stage: 2 Challenge Level: Challenge Level:1

Where would you put a number which is square but not odd?
Where would a square odd number go?
Where would a number which is odd but not square go?
Where would you put a number which is not square and not odd?
You could try placing each number in turn. For example, is $0$ a square number? Is it an odd number?