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Counting Binary with Cups

1/6/2014

3 Comments

 
Picture
I am always looking for interesting and exciting ways to teach computing concepts to students. Engagement is a key to making learning memorable and therefore easier to understand and recall.  This post looks at how to create a Binary counting machine from plastic drinks cups.

You will need:
9 large plastic cups
A marker pen
A pinch of binary logic

Picture
Step One

Join the cups together as shown in the picture, they will need to turn, this can be made easier by lining up the joins on the cups.

Picture
Step Two

Across the top row write the Binary Values, 1,2,4,8,16,32,64,128.  Underneath each value write a zero.  The trick here is to be neat and line up the digits.


Picture
Step Three

Under the zeros add a row of ones.  Again neatness and equal spacing is essential to ensure that the digits will all be lined up when the cups are turned.

Picture
Step Four

 The final step is the add the two indicators as shown in the picture.  The first is the read here, which i where the user lines up the binary values.  The binary  where the user reads the binary code.

Reading the Cups

To read the binary code simply turn the Binary Values until you have the total value that your want, for example 41 (32 +8+1)
Then read the Binary Code from the third line.  The process can be reversed and students can create a Binary Code and then work out the decimal value.  
Picture
3 Comments
best binary options usa link
4/2/2014 07:31:00 am

A Binary Option is a type of option where the payoff is all or nothing. Because of this characteristic, Binary Options can be easier to understand and trade.

Reply
Kayla Frost
12/4/2015 02:12:21 pm

Wow.. glad you liked my idea.

Reply
Camila P link
1/16/2021 02:07:29 am

Much appreciate you sharing this.

Reply



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