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ppp

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a

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Primary School Nikole Tesle, Zagreb, Croatia

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Primary School Nikole Tesle, Zagreb, Croatia

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On the occasion of Apple Day, second grade elementary school students learned to read the default codes and change them for a picture. Of course the hidden imag

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Primary School Nikole Tesle, Zagreb, Croatia

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Primary School Nikole Tesle, Zagreb, Croatia

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Apple pixel art
Final product.
We really enjoyed it!!!

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Apple pixel art, preparations

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2nd grade elementary school students participated in an activity on EU Code Week called Secret message. 

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Primary school Nikole Tesle Zagreb, Croatia

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Primary school Nikole Tesle Zagreb, Croatia

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After learning how to create such a message and how to read sign language, they came up with their own messages in pairs.

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Primary school Nikole Tesle, Zagreb, Croatia

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Primary school Nikole Tesle, Zagreb, Croatia

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Sashalmi Tanoda Primary School -5th grade

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Sashalmi Tanoda Primary School -5th grade

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Hello All! This is our secret message. The shift number is 7 - that is "G" in the coded message is really letter "A". Have a lot of fun and great Code Week activities!

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Hello Everyone! This is our secret message. The shift number is 21 - that is "U" in the coded message is really "A".

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Theodora N., Primary School of Eleousa, Arta, Greece

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Theodora N., Primary School of Eleousa, Arta, Greece

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We constructed a cipher wheel. Here is our secret message. Keep in mind that the letter "N" in the inner wheel is matched on the letter "D" in the outer wheel! Good luck!!!

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1. Start at the top-left corner. The first number in the encoding is the number of white pixels to start (even if it’s 0).

2. Go to the next number in the encoding and color in that many black pixels.

3. Keep going through the encoding, switching between black and white pixels.

4. When you get to the end of a row, move to the next row down. Repeat until your image is done!

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Build the cipher wheel

1. Glue the cipher wheel page of your booklet to a piece of cardboard (like a cereal box).

2. Let the glue dry and cut out the two circles.

3. Lay the small circle on top of the larger one.

4. Stick a tack, pencil, or paperclip through the center to hold the two circles together

5. Turn the inner circle to line up the key number with the A on the outside circle.

6. Use your cipher to decrypt the messages.