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Did you know that all the colours you see on a computer screen are represented by hexadecimal code? Find out how this code works and use it to colour by numbers. ## Explore Work through this Binary numbers (.pptx 324kB) resource to learn how to convert decimal numbers to binary. | ### Your tasks
| Make your own decimal to binary conversion calculator.
| Convert decimal numbers into hexadecimal by making your conversion calculator work harder.
| Explore how hexadecimal is used to generate colour.
#### Syllabus links | Teaching notes