Binary NumbersLearn how to convert numbers from decimal to binary and from binary to decimal. 
Click on the lights to represent the numbers shown in a binary format.
32 16 8 4 2 1
InstructionsTry your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help. When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file. 



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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 28 May 'Starter of the Day' page by L Smith, Colwyn Bay: "An absolutely brilliant resource. Only recently been discovered but is used daily with all my classes. It is particularly useful when things can be saved for further use. Thank you!" Comment recorded on the 28 September 'Starter of the Day' page by Malcolm P, Dorset: "A set of real life savers!! 
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https://Transum.org/go/?Num=993
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❎Binary Lights  Visual aid with which you can practise.
Level 1  Convert numbers 1 to 12
Level 2  Convert numbers 13 to 24
Level 3  Convert numbers 25 to 36
Level 4  Convert numbers up to 63
Level 5  Convert numbers without the lights
Level 6  Convert binary numbers to decimal
Level 7  Binary numbers with fingers
Level 8  Binary arithmetic
Click the link below to find an interactive set of binary lights with which you can practise.
Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can doubleclick the 'Check' button to make it float at the bottom of your screen.
Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
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