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We had a very thorough report sent in by Charlotte, Charlotte, Jeremy, Alec, Jack, Ellis, Christian and Jacob at St John Fisher’s Harrogate:

One group started by sorting out scripts which looked the same, and had the same characters.
One group found the numbers in English first. Next we found the Roman numerals. Some groups put the cards in piles, others spread them all over the desk. The most successful worked systematically to set the matching scripts in neat columns and matching numbers in neat rows, which helped them to see the patterns more clearly.

In most languages 2 was the easiest number to find first as it usually had just one, or the fewest digits (except in Roman numerals). From the digit 2 we could usually find 25, then a chain: 58, 83, 13. 100 was usually the last we found, from the digit 1 in 13, but sometimes it was really different from all the others.

In the language with the love heart, we made the mistake of having that symbol the 'right' way up, and only when we tried it upside down did we get it right.

In the oriental language, it was hard to see a connection with 13 and 100, as there was no digit 1 in both that matched.

When we were writing 51…
All languages were quite easy apart from the oriental language, because of the problem with 1.
We though the + meant 8 + 3 is 83, but 13 = +3. So we realised + means 10. Or it means times 10.
So we were then able to write 51.

We can’t wait to find out which language each script is from.

From Nina at North Harringay Primary School we had the following good solution sent in;

Looking at the picture we have,
Top row (left to right): G=100  /  S=13  /  B=58  /  A=13  /  C=25
2nd row (left to right): G=83   /  A=2   /  G=25  /  S=83  /  B=100
3rd row (left to right): C=2    /  C=58  /  S=2   /  B=13  /  C=100
4th row (left to right): A=25   /  A=83  /  G=13  /  B=2   /  S=58
5th row (left to right): S=25   /  B=83  /  G=2   /  C=83  /  A=100
6th row (left to right): A=58   /  C=13  /  S=100 /  G=58  /  B=2

Where S means Standard Western Script, C for Chinese, A for Arabic, B for Bengali and G for Gurmurki

To write 51
we have Chinese
Arabic
Bengali, it's the left hand character of B=58 plus left hand character of B=13
Gurmurki, it's the left hand character of G=58 plus left hand character of B=13

Thank you all for your very well-explained solutions.