Grade 7 Code Breaking Challenge
Engage in critical thinking and problem-solving with this Grade 7 Code Breaking Challenge, featuring various ciphers and puzzles.
Includes
Standards
Grade 7 Code Breaking Challenge
Name:
Date:
Score:
Welcome, Code Breaker! This worksheet will test your skills in deciphering secret messages. Read each question carefully and use your problem-solving abilities to crack the codes.
1. In a Caesar cipher with a shift of 3, 'A' becomes 'D'. If the coded message is 'JRQJ', the original message is .
2. Using a Caesar cipher with a shift of 5, the word 'HELLO' would be encoded as .
3. The following message was encoded using a simple substitution cipher: 'Xlm hfghqf rk lxf.' If 'X' represents 'T' and 'l' represents 'h', what is the decoded message?
4. What word does the following Morse code represent? '-- --- .-. ... .'
CODE
MORSE
SECRET
MESSAGE
5. Match the Atbash cipher encoded word with its decoded word.
a. ZKVI
1. WORD
b. DLIW
2. LOVE
6. The Pigpen cipher uses a grid system to substitute letters with symbols.
True
False
7. Create your own simple code or cipher and encode the message 'MATH IS FUN'. Describe how your code works.
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