Class 5 · Topic 11
Codes & Symbols
Step 1 · Learn
Read the ideas
- 📍🔒
Alphabet Position
From-left + from-right = 27. Midway = (a+b) ÷ 2.
- 🔐🔒
Coding & Decoding
Compare original to code, find +N, apply it.
- 🔀🔒
Operator Substitution
Replace symbols → apply bodmas to the new expression.
- 🧠🔒
Code & Number Analogy
Pin the rule with every pair, then run it on C.
- 🔺🔒
Symbol Equations
One unknown → solve it → substitute into the rest.
- 🔀🔒
Letter Arrangement
Category + all letters used once → one real word.
- 🔁🔒
Substitution Chain
Left side going forwards, right side coming back.
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Dictionary Order
Find the deciding letter, then count straight to the position.
Step 2 · Practice
Try the quests
Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
Letter Arrangement
🔒Round 2
Alphabet Position
🔒Round 3
Operator Substitution
🔒Round 4
Code & Number Analogy
🔒Round 5
Dictionary Order
🔒Round 6
Substitution Chain
🔒Round 7
Coding & Decoding
🔒Round 8
Symbol Equations
🔒Round 9
Letter Arrangement
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