Code Breaking 101 - Module 01
Beginner Level: The One-Way Decoder
Study the decoder above. Notice that each letter is paired with another.
A=O and O=A, B=X and X=B, C=E and E=C, etc.
This is a basic decoder. It doesn't matter which way you choose to decode or encode, as the answer will be the same.
Let's practise...
Beginner Level: The One-Way Decoder
Study the decoder above. Notice that each letter is paired with another.
A=O and O=A, B=X and X=B, C=E and E=C, etc.
This is a basic decoder. It doesn't matter which way you choose to decode or encode, as the answer will be the same.
Let's practise...
Recall the message:
Mat is waiting in Stockport.
Tom is waiting in Stockholm.
Tom is meeting in Southport.
Mat is waiting in Stockholm.
Intermediate Level: The Two-Way Decoder
Look closely at this new decoder. This time, decoding white to green gives a different answer than decoding green to white.
The letter A could decode as either C or M, depending on which way you use the decoder!
This means you may need to decode both ways and decide which word makes the most sense to get the complete message.
Let's practise...
Intermediate Level: The Two-Way Decoder
Look closely at this new decoder. This time, decoding white to green gives a different answer than decoding green to white.
The letter A could decode as either C or M, depending on which way you use the decoder!
This means you may need to decode both ways and decide which word makes the most sense to get the complete message.
Let's practise...
Recall the message:
One briefcase on a lake.
Tom wrestles in a gate.
The painting is a fake.
The artwork is a fake.
Advanced Level: Sneaky Encryptions
You're doing great, Rookie Recruits! Take a deep breath and study this final decoder. Don't be deceived by the simple words. Here's how to use it.
If the code gives you a three-letter word, simply find the corresponding letter.
Example: FOX = K
If the code gives you a letter and one, two or three dots, use the letter to find the corresponding three-letter word and the dots to tell you which letter in that word to use.
Examples: H. = P and C... = B
Are you ready for your final practice?
Advanced Level: Sneaky Encryptions
You're doing great, Rookie Recruits! Take a deep breath and study this final decoder. Don't be deceived by the simple words. Here's how to use it.
If the code gives you a three-letter word, simply find the corresponding letter.
Example: FOX = K
If the code gives you a letter and one, two or three dots, use the letter to find the corresponding three-letter word and the dots to tell you which letter in that word to use.
Examples: H. = P and C... = B
Are you ready for your final practice?
Select all that you know to be true:
The squirrel likes nuts.
Tom is in Stockholm.
The painting is red.
The painting isn't genuine.
Excellent work, Rookie Recruit!
That's Module 01 complete.
Click Finish to reveal your score, and keep an eye on your inbox for Module 02 / 05 coming soon!
Click Finish to reveal your score, and keep an eye on your inbox for Module 02 / 05 coming soon!
Excellent work, Rookie Recruit!
That's Module 01 complete.
Click Finish to reveal your score, and keep an eye on your inbox for Module 02 / 05 coming soon!
Click Finish to reveal your score, and keep an eye on your inbox for Module 02 / 05 coming soon!
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