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Introduce the idea of substituting numbers for letters with this first set of number substition codes, where A becomes either 1 or 26! We've provided a chart printable to help and some fun coded mesages for the kids to decipher...
This code buster printable is useful for solving some of our Secret Code Challenges - and it is also great for kids who want to send their own coded messages! Just print out two copies - one for the sender and one for the receiver - choose which code to use, and start writing...
There are three coded riddles on this fun printable challenge, each written using a simple alphbet and number swap code. Some children may be able to crack the code on their own.
There are three fun riddles that the kids can enjoy on this printable - but only if they first crack the code so that they can read them! It's a simple code - swapping each letter of the alphabet for a corresponding number - and older children may be able to work it out by themselves.
Once they know that the coded riddles on this page contain a simple alphbet and number swap code, older children should be able to work out what the riddles are by themselves.
