Unit Secret messages and code

Year level: 3-4 Topic: Data: Collect, organise and create Time: 5 hours

Encoding a word or phrase is an example of representing data in a different way. Introduce encoding and decoding using secret messages. Braille is a system for representing text and other characters using combinations of flat and raised dots on paper so they can be read by touch. Morse Code represents the letters of the alphabet using dots and dashes. A QR code is another way to represent data.

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