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'Crack the Code' printed from https://nrich.maths.org/
Why do this problem?
This problem encourages children to apply logical thinking to an appealing context.
Key questions
What could the one-letter words be?
What rule could have been used to generate those one-letter words?
Can you apply the rule to the other letter?
Possible support
Writing out the alphabet and then making a note of the corresponding Zargoes' letters underneath our letters might help children organise their thinking.